Remove "Activity" tab from learner view

[AllanOXDi]

Summary

This PR Remove "Activity" tab from learner view

The currently on develop

After the clean up .

on this PR

https://github.com/user-attachments/assets/1837f2bf-8ea1-4798-ae97-209bf4958fc9

On figma

References

Closes #12733

Reviewer guidance

• Confirm that Tabs are no longer in use and all related code is cleaned up.
• Verify thatActivityList is no longer rendered on this page (but remains inkolibri-common).
• For both lessons and quizzes, only the first 10 items are displayed initially.
• When there are more than 10 items, a "view more" button appears.
• On clicking "view more," an additional 10 items are displayed.
• Ensure all spacing and layout match the Figma design
• Confirm that there are no regressions affecting existing functionality.

Testing checklist

• [ ] Contributor has fully tested the PR manually
• [ ] If there are any front-end changes, before/after screenshots are included
• [ ] Critical user journeys are covered by Gherkin stories
• [ ] Critical and brittle code paths are covered by unit tests

PR process

• [ ] PR has the correct target branch and milestone
• [ ] PR has 'needs review' or 'work-in-progress' label
• [ ] If PR is ready for review, a reviewer has been added. (Don't use 'Assignees')
• [ ] If this is an important user-facing change, PR or related issue has a 'changelog' label
• [ ] If this includes an internal dependency change, a link to the diff is provided

Reviewer checklist

• PR is fully functional
• PR has been tested for accessibility regressions
• External dependency files were updated if necessary (yarn and pip)
• Documentation is updated
• Contributor is in AUTHORS.md

[github-actions[bot]]

Build Artifacts

Asset type	Download link
PEX file	kolibri-0.18.0.dev0_git.20241120075126.pex
Windows Installer (EXE)	kolibri-0.18.0.dev0+git.20241120075126-windows-setup-unsigned.exe
Debian Package	kolibri_0.18.0.dev0+git.20241120075126-0ubuntu1_all.deb
Mac Installer (DMG)	kolibri-0.18.0.dev0+git.20241120075126.dmg
Android Package (APK)	kolibri-0.18.0.dev0+git.20241120075126-0.1.4-debug.apk
TAR file	kolibri-0.18.0.dev0+git.20241120075126.tar.gz
WHL file	kolibri-0.18.0.dev0+git.20241120075126-py2.py3-none-any.whl

[radinamatic]

@AllanOXDi There seem to be a conflict which prevented the build of the artifacts after the last change, could you check it out? 🙏🏽

[AllanOXDi]

Fixed!

[radinamatic]

1. Confirm that Tabs are no longer in use and all related code is cleaned up. ✔️
2. Verify that ActivityList is no longer rendered on this page (but remains in kolibri-common). - not sure if this can be confirmed in the UI only
3. For both lessons and quizzes, only the first 10 items are displayed initially. ✔️
4. When there are more than 10 items, a "view more" button appears. ✔️
5. On clicking "view more," an additional 10 items are displayed. ✔️
6. Ensure all spacing and layout match the Figma design ✔️

7. Confirm that there are no regressions affecting existing functionality. ❗

   a) Export CSV button is not working, absolutely nothing happens when clicked.

   b) My learner did complete an exercise, but it's not recorded/displayed in the summary: