Ensure that a run config doesn’t exist before auto-creation (#245) (#247)
Ensure that a run config doesn’t exist before auto-creation (#245) (#247)

* Ensure that a run config doesn’t exist before auto-creation (#245).

Fixes: https://github.com/flutter/flutter-intellij/issues/245

* whitespace tweaks.

flutter/flutter-intellij,flutter/flutter-intellij,flutter/flutter-intellij,flutter/flutter-intellij,flutter/flutter-intellij