update user count when discord role is removed

[PeeyushPrashant]

Date: 16/12/2023

Developer Name: @PeeyushPrashant

Issue Closes #623

What is the change?

• Update user count in realtime when user unsubscribe any discord role
• Access the HTML element that wraps that particular role (one which user unsubscribe to) by using
  document.getElementById method .
• Access the inner attribute (user count) of the element by using getAttribute method.
• Check if the current count is not null and undefined. If true , decrease the count by 1.
• feature under feature flag

Documentation Updated?

• Yes
• No

Breaking Changes

• Yes
• No

Development Tested?

• Yes
• No

Tested in Staging?

• Yes
• No

Under Feature Flag

• Yes
• No

Database Changes

• Yes
• No

Before & After Change Screenshots

screen-capture.4.webm

Test Coverage

Additional Notes

These tests are failing in dev branch as well, it has not happened because of my changes.

[Ajeyakrishna-k]

Please add a test to cover this case

[PeeyushPrashant]

Done @Ajeyakrishna-k

[skv93-coder]

Please add passing test snapshot for the particular test added in the PR.

[skv93-coder]

Why we need to check for userCount not being null and skip the the assertion.

[PeeyushPrashant]

Please add passing test snapshot for the particular test added in the PR.

Tests (even those which were written earlier) are failing in my local environment (dev branch as well ), as I had mentioned to you earlier. Therefore I have not attached it.