Cloning repository: Add browse button and option to pick repo folder while cloning local repo

Description of problem:
GIT URL: Add Browse local button to browse to the local git repo instead of asking user to type it.

URL makes sense for remote repos. Majority of the times you expect people to work with local repos.
Have text something like Enter URL for the Rep or browse local repository location. And the file browser allows user to choose the local folder.

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