Handle code completion correctly with auto close braces on.
Strip leading/trailing whitespace from extension url
Code review changes
A better fix suggested from Randy's code review.
Merge pull request #6936 from adobe/rlim/enter-key-issue

Handle code completion correctly with auto close braces on.
Merge pull request #7052 from SAPlayer/install-extension-dialog-trim

Strip leading/trailing whitespace from extension url