[Accessibility] No alt text/better description of the Graphs in "Activity"

[kivuvarosekivuvan]

Describe the bug

The graphs displayed on the "Activity" page lack alternative text or descriptions, making it difficult for screen reader users to understand the content of the page.

To Reproduce

Steps to reproduce the behavior:

1. Launch the local host http://localhost:4200/
2. Navigate to "Activity" link http://localhost:4200/activity
3. This will open the Activity page, which contains graphs.
4. Use a screen reader and try to navigate the page. Observe whether the graphs are properly described and if you can understand the purpose of the page.

Expected behavior

All users, including those using screen readers, should be able to clearly understand the purpose of the Activity page and the information conveyed by the graphs.

Screenshots

Screencast.from.17-06-2024.07.34.33.ASUBUHI.webm

[linear]

PLAT-5070 [Accessibility] No alt text/better description of the Graphs in "Activity"