Milo/duplicate plan button

[yijen-sun]

Description

Added duplicate plan button that creates a copy of the current plan as a new plan.
Disabled the Add Plan button and the Duplicate Plan button on guest mode when the maximum number of plans (5) has been reached. This is because the local storage that guest data is stored on is limited and will cause issues lol

Screen.Recording.2024-02-11.at.3.38.36.PM.1.1.mov

Closes #690
Closes #692

Type of change

Please tick the boxes that best match your changes.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• This requires a run of yarn install
• This has migration changes and requires a run of yarn dev:migration:run

How Has This Been Tested?

Please describe how you tested this PR (both manually and with tests) Provide instructions so we can reproduce.

Manually tested

Checklist:

• I have run the production builds in docker for the frontend/backend and ensure things run fine. Check README of repo on how to run if not sure.
• I have performed a self-review of my own code
• I have commented my code where needed
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I've run the end to end tests
• Any dependent changes have been merged and published in downstream modules

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Name	Status	Preview	Comments	Updated (UTC)
graduatenu-frontend-v2	❌ Failed (Inspect)			Feb 16, 2024 8:14pm

[AngelaZQ1]

404k additions 💀

[KobeZ123]

Nice work!