Fix: Manual app creation api and app clone fixed.

[vikramdevtron]

Description

Manual app creation api fixed. There was a issue on Pre-Post Ci stages are missed on manual app creation FETCH and POST api, which is fixed in this PR. App clone fix for the same.

Fixes # (issue)

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

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

• [x] Fetch App Detail APi
• [x] Create new app with pre and post ci stages.

Checklist:

• [x] The title of the PR states what changed and the related issues number (used for the release note).
• [ ] Does this PR require documentation updates?
• [ ] I've updated documentation as required by this PR.
• [x] 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

[prakarsh-dt]

Duplicate of #2372

[vikramdevtron]

not required, merged by other branch