* Set the default branch for repositories generated from templates
* Allows default branch to be set through the API for repos generated from templates
* Update swagger API template
* Only set default branch to the one from the template if not specified
* Use specified default branch if it exists while generating git commits
Fix#19082
Co-authored-by: John Olheiser <[email protected]>
Co-authored-by: zeripath <[email protected]>