fix:Manifest output throws error when charts require special KubeVersion

[adi6859]

Description

This PR aims to fix the manifest generation error (as shown below) when charts require special KubeVersion.

Fixes AB2509

How Has This Been Tested?

1. I have done testing this via image deployment on vm.
2. I have checked for all possible test cases.
   Test cases are:-
   a.deployed helm chart when no apps is present.
   b. deployed same helm chart again when above app is present.
   c.deployed helm chart via gitOps.
   d.deployed helm chart via helm.
3. I have also done testing by applying multiple breakpoint for checking data is coming or not.
4. i have also checked via main.go file by calling my function.

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.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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