feat:show notes for gitops app

[adi6859]

Description

This feature will show notes.txt file on helm apps that id deployed via gitops.

Fixes AB2880

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration
1.I have done testing this via image deployment on vm.
2. I have checked for all cases that is for showing notes.txt file.Below are all the test case :-
a. show notes for chart with templated notes.
b.show notes for chart with Plaintext notes.
c. show notes for chart that is not containing notes.
All behaviour is working fine.
3.I have also tested via UI by deploying all types of helm chart here also behaviour is as expected.
4. I have also done testing by applying multiple breakpoint for checking data is coming or not.

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?

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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2.2% Duplication