Repository URL should also accept user define source in ssh config file

[huyhoang160593]

For now, if you use ssh to add or edit remote in the app, this URL is accepted:

git@github.com:owner/repo.git

It will display another textbox to choose your desire key
But if you have already defined a ssh source in config file like so:

Host example_owner
  HostName github.com
  User git
  IdentityFile ~/.ssh/id_ed25519

Then the url like this is not accepted

example_owner:owner/repo.git

I know this is just a minor nitpick, but I hope this will get fixed someday cause most of my repo url are fetch though the same kind of URL