Added new command to switch between workspaces

[heycalmdown]

rebase #11493 to clean the mess

[msftclas]

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[coveralls]

Coverage remained the same at 61.75% when pulling d797ec3 on heycalmdown:switch-workspace into 835e8d7 on Microsoft:master.

[bpasero]

@heycalmdown on a second thought, can we rethink the fact that this only shows opened workspaces? imho it would be better to actually show all windows that are opened and call it "Switch Window". Rationale:

• for your use case it actually would still work because my understanding is that all your windows are just having workspaces associated
• for other users that want to quickly switch windows, it would be very convenient to be able to use this feature and see all opened windows at a glance

Trying to make this feature more useful to more users 👍

Some related issues:

• Mac OS X Shortcut key: cmd + F1 (Move Focus to Next Window) not usable #5601
• Show the "Windows" menu on Windows and Linux too #2382

[heycalmdown]

Okay, sounds reasonable. I'll make it work as you described.

[bpasero]

@heycalmdown awesome 👍

[heycalmdown]

This might take a benefit when having ambiguous workspace and same format with "Open Recent", but looks too verbose. So I settled at this -

similar than

It'll help the reporter of #2382

[coveralls]

Coverage increased (+0.07%) to 61.819% when pulling fd1d5e5 on heycalmdown:switch-workspace into 835e8d7 on Microsoft:master.

[heycalmdown]

@bpasero time to review now :)

[bpasero]

@heycalmdown thanks, merged! 👍

[bpasero]

Created #11671 to track this for September.

[heycalmdown]

Thanks!