fix: email-template-subject

[shivani170]

• implemented rollback for the helm having no gitops case

• removed some checks

• refactored the code and made compatible for gitops case too

• after refactoring

• resolved the comments

• removed unwanted commented code

• resolved the comments

• resolved the comments

• executed make after merging develop

Description

Fixes https://github.com/devtron-labs/sprint-tasks/issues/1105

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?

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud