1. Proposed title of this feature request

Support `basicAuthConfig` field for creating ProjectHelmChartRepository through a form
2. What is the nature and description of the request?

Currently, when we create basic authentication secret for ProjectHelmChartRepository, it is not visible in the form under `TLS Client config` dropdown.

3. Why does the customer need this? (List the business requirements here)

Customer need this for better user experience. 
4. List any affected packages or components.

ProjectHelmChartRepository