Refactor callApi into direct usage of apiService

[Tamir198]

Changes Proposed

Check List

• [x] The title of my pull request is a short description of the changes
• [ ] This PR relates to some issue:
• [x] I have documented the changes made (if applicable)
• [ ] I have covered the changes with unit tests

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (7f89fed) 30.04% compared to head (f763db7) 30.04%.

:exclamation: Your organization is not using the GitHub App Integration. As a result you may experience degraded service beginning May 15th. Please install the Github App Integration for your organization. Read more.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## helm-dashboard-v2 #454 +/- ## ================================================== Coverage 30.04% 30.04% ================================================== Files 10 10 Lines 1348 1348 ================================================== Hits 405 405 Misses 902 902 Partials 41 41 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.