commando: open results on mouse double click

(integrated from master branch change 3afe4cf by Todd Whiteman <toddw@activestate.com>)
fix: Editor: Indentation: Catch when indentation is set to zero
https://bugs.activestate.com/show_bug.cgi?id=105905
rn=

(integrated from master branch change cc9615e by Todd Whiteman <toddw@activestate.com>)
fix: Preferences: Ensure formatter preference sets are saved correctly
https://bugs.activestate.com/show_bug.cgi?id=105850
rn=

(integrated from master branch change 6a8712e by Todd Whiteman <toddw@activestate.com>)
prefs: move "file " entries to their correct ordering position

(integrated from master branch change 0bcc2f7 by Todd Whiteman <toddw@activestate.com>)
tab context menu: merge "File Changes" and "File Actions" menus

(integrated from master branch change 2b78c50 by Todd Whiteman <toddw@activestate.com>)