feat:git material source type editable

[Aravind-2023]

Description

In the Existing Build pipelines ,the source type is not editable ,I made it editable(i.e that means we can change the branch type from fixed to regex and vice versa).

Fixes AB164

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 tested the code and some test cases using local host.
2.I have made different CI pipelines and tested using them and also checked the updation in Build and deploy part.

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?

[iamayushm]

remove commented code.

[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

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0.0% Duplication