fix: time interval unit UI

[Dishebh]

Fixes #2188

Changes

• Fixes time interval Unit UI so it shows up correctly in portrait mode

Screenshots / Recordings

• Landscape Mode

• Portrait Mode

Checklist:

• No hard coding: I have used resources from strings.xml, dimens.xml and colors.xml without hard coding any value.
• No end of file edits: No modifications done at end of resource files strings.xml, dimens.xml or colors.xml.
• Code reformatting: I have reformatted code and fixed indentation in every file included in this pull request.
• No extra space: My code does not contain any extra lines or extra spaces than the ones that are necessary.

[sourcery-ai]

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[sourcery-ai]

Hey @Dishebh - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[Dishebh]

cc @marcnause @AsCress

[github-actions]

Build successful. APKs to test: https://github.com/fossasia/pslab-android/actions/runs/10966061460/artifacts/1960139149

[AsCress]

@Dishebh Thank you very much for the PR and your work !
Here's a screenshot of the layout on my device:-

I've added a suggestion as to how we can make this layout more flexible, to support more screen sizes.
Let me know how this sounds to you:))

[AsCress]

Perhaps, instead of updating the layout_weight, we could migrate the parent LinearLayout to a ConstraintLayout, which would better support a large number of screen sizes.