Enforcer RBAC Cache Override Fix

[kripanshdevtron]

Description

App List API on dashboard is overriding old cache data. So, users which has access to very few projects are facing this issue.

Fixes #2607

How Has This Been Tested?

• Created a user with access on single project with a few apps.

Checklist:

• The title of the PR states what changed and the related issues number (used for the release note).
• Does this PR requires documentation updates?
• I've updated documentation as required by this PR.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have tested it for all user roles.
• I have added all the required unit/api test cases.

Does this PR introduce a user-facing change?