Make the toolbar menu items support the support space key.

[SimonZhao888]

Fixes #11449

Proposed changes

• Modify the ProcessCmdKey() method to support space key.
• Make a focus on the MenuStrip after the user hits enter to check it.

Customer Impact

• MenuItems does not respond to the spacebar key to check/uncheck the menu and enter key executes it and closes the menu without focus the menustrip.

Regression?

• No

Risk

-Minimal

Screenshots

Before

After

Test methodology

• Manual

Test environment(s)

• 9.0.100-preview.6.24312.9

Microsoft Reviewers: Open in CodeFlow

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 65.38462% with 9 lines in your changes missing coverage. Please review.

Project coverage is 74.56175%. Comparing base (fc56416) to head (d2966bf). Report is 83 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main      #11520         +/-   ##
===================================================
+ Coverage   74.39859%   74.56175%   +0.16316%     
===================================================
  Files           3032        3041          +9     
  Lines         628149      629780       +1631     
  Branches       46828       46845         +17     
===================================================
+ Hits          467334      469575       +2241     
+ Misses        157465      156843        -622     
- Partials        3350        3362         +12     

Flag	Coverage Δ
Debug	74.56175% <65.38462%> (+0.16316%)	:arrow_up:
integration	17.87556% <3.84615%> (-0.12500%)	:arrow_down:
production	47.45164% <65.38462%> (+0.20467%)	:arrow_up:
test	96.97796% <ø> (+0.01124%)	:arrow_up:
unit	44.55491% <65.38462%> (+0.32596%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

[ricardobossan]

All LGTM