Strip leading/trailing whitespace for project name in the project manager
Strip leading/trailing whitespace for project name in the project manager

This affects creating projects and renaming them.

(cherry picked from commit 86455d0c58b0a992a07a0aa7618288387fd2b1c8)

ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot