fix: update useCourseContext

[valerydluski]

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🤔 This is a ...

• New feature
• Bug fix
• Performance optimization
• Refactoring
• Test Case
• Documentation update
• Other

🔗 Related issue link

#2308

💡 Background and solution

Describe the big picture of your changes here

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Database migration is added or not needed
• Documentation is updated/provided or not needed
• Changes are tested locally

[github-actions]

📦 Next.js Bundle Analysis

This analysis was generated by the next.js bundle analysis action 🤖

🎉 Global Bundle Size Decreased

Page	Size (compressed)
global	151.48 KB (-2 B)

Details

The global bundle is the javascript bundle that loads alongside every page. It is in its own category because its impact is much higher - an increase to its size means that every page on your website loads slower, and a decrease means every page loads faster.

Any third party scripts you have added directly to your app using the <script> tag are not accounted for in this analysis

If you want further insight into what is behind the changes, give @next/bundle-analyzer a try!

Fifty-three Pages Changed Size

The following pages changed size from the code in this PR compared to its base branch:

Page	Size (compressed)	First Load	% of Budget (500 KB)
/	285.27 KB	436.75 KB	87.35% (🟢 -0.28%)
/404	222.5 KB	373.98 KB	74.80% (🟢 -0.06%)
/admin/courses	374.28 KB	525.76 KB	105.15% (🟢 -0.02%)
/admin/disciplines	320.53 KB	472.01 KB	94.40% (🟢 -0.04%)
/admin/discord-server	347.35 KB	498.83 KB	99.77% (🟢 -0.04%)
/admin/events	347.92 KB	499.4 KB	99.88% (🟢 -0.04%)
/admin/mentor-registry	371.7 KB	523.18 KB	104.64% (+/- <0.01%)
/admin/notifications	387.06 KB	538.53 KB	107.71% (🟡 +0.16%)
/admin/prompts	327.71 KB	479.19 KB	95.84% (🟢 -0.04%)
/admin/registrations	323.28 KB	474.76 KB	94.95% (🟢 -0.04%)
/admin/tasks	431.85 KB	583.33 KB	116.67% (🟡 +0.14%)
/admin/user-group	371.64 KB	523.12 KB	104.62% (🟢 -0.02%)
/admin/users	269.02 KB	420.5 KB	84.10% (🟢 -0.04%)
/applicants	306.39 KB	457.87 KB	91.57% (🟢 -0.05%)
/course/admin/cross-check-table	424.69 KB	576.16 KB	115.23% (🟡 +0.17%)
/course/admin/events	428.19 KB	579.67 KB	115.93% (+/- <0.01%)
/course/admin/interviews	370.57 KB	522.05 KB	104.41% (🟢 -0.03%)
/course/admin/mentors	376.26 KB	527.74 KB	105.55% (🟡 +0.05%)
/course/admin/stage-interviews	372.24 KB	523.72 KB	104.74% (🟢 -0.02%)
/course/admin/students	384.69 KB	536.17 KB	107.23% (🟡 +0.01%)
/course/admin/tasks	402.71 KB	554.19 KB	110.84% (🟡 +0.17%)
/course/admin/users	370.27 KB	521.75 KB	104.35% (🟢 -0.02%)
/course/interview/[type]/feedback	335.78 KB	487.26 KB	97.45% (🟢 -0.03%)
/course/mentor/auto-confirm	225.03 KB	376.51 KB	75.30% (🟢 -0.04%)
/course/mentor/confirm	288.67 KB	440.15 KB	88.03% (🟢 -0.04%)
/course/mentor/dashboard	392.5 KB	543.98 KB	108.80% (🟡 +0.04%)
/course/mentor/expel-student	292.78 KB	444.26 KB	88.85% (🟢 -0.04%)
/course/mentor/feedback	294.36 KB	445.83 KB	89.17% (🟢 -0.04%)
/course/mentor/interview-technical-screening	261.71 KB	413.19 KB	82.64% (🟢 -0.06%)
/course/mentor/interview-wait-list	330.89 KB	482.37 KB	96.47% (🟢 -0.03%)
/course/mentor/interviews	342.69 KB	494.17 KB	98.83% (🟢 -0.04%)
/course/mentor/students	247.08 KB	398.56 KB	79.71% (🟢 -0.04%)
/course/schedule	469.82 KB	621.3 KB	124.26% (+/- <0.01%)
/course/score	329.21 KB	480.69 KB	96.14% (🟢 -0.13%)
/course/student/auto-test	381.91 KB	533.39 KB	106.68% (+/- <0.01%)
/course/student/auto-test/task	381.83 KB	533.31 KB	106.66% (+/- <0.01%)
/course/student/cross-check-review	409.47 KB	560.95 KB	112.19% (+/- <0.01%)
/course/student/cross-check-submit	425.6 KB	577.08 KB	115.42% (+/- <0.01%)
/course/student/dashboard	388.56 KB	540.04 KB	108.01% (+/- <0.01%)
/course/student/interviews	299.04 KB	450.52 KB	90.10% (🟢 -0.03%)
/course/submit-scores	404.44 KB	555.92 KB	111.18% (🟡 +0.13%)
/course/team-distributions	374.16 KB	525.64 KB	105.13% (+/- <0.01%)
/course/teams	417.91 KB	569.38 KB	113.88% (🟢 -0.01%)
/cv/edit	341.48 KB	492.96 KB	98.59% (🟢 -0.09%)
/gratitude	287.26 KB	438.74 KB	87.75% (🟢 -0.04%)
/heroes	289.83 KB	441.31 KB	88.26% (🟢 -0.04%)
/job	223.17 KB	374.65 KB	74.93% (🟢 -0.05%)
/profile	405.14 KB	556.62 KB	111.32% (🟡 +0.01%)
/profile/connection-confirmed	262.91 KB	414.39 KB	82.88% (🟢 -0.09%)
/profile/notifications	323.5 KB	474.98 KB	95.00% (🟢 -0.04%)
/registry/epamlearningjs	286.31 KB	437.79 KB	87.56% (🟢 -0.04%)
/registry/mentor	336.8 KB	488.28 KB	97.66% (🟢 -0.10%)
/registry/student	336.8 KB	488.28 KB	97.66% (🟢 -0.10%)

Details

Only the gzipped size is provided here based on an expert tip.

First Load is the size of the global bundle plus the bundle for the individual page. If a user were to show up to your website and land on a given page, the first load size represents the amount of javascript that user would need to download. If next/link is used, subsequent page loads would only need to download that page's bundle (the number in the "Size" column), since the global bundle has already been downloaded.

Any third party scripts you have added directly to your app using the <script> tag are not accounted for in this analysis

The "Budget %" column shows what percentage of your performance budget the First Load total takes up. For example, if your budget was 100kb, and a given page's first load size was 10kb, it would be 10% of your budget. You can also see how much this has increased or decreased compared to the base branch of your PR. If this percentage has increased by 5% or more, there will be a red status indicator applied, indicating that special attention should be given to this. If you see "+/- <0.01%" it means that there was a change in bundle size, but it is a trivial enough amount that it can be ignored.

[aaliakseyenka]

great work Valery