Knobs: Rename ALL panel to Other for ungrouped knobs

[shilman]

Issue: #5256

What I did

• Update the title of the tab for ungrouped knobs to better reflect its function
• Always sort the Other tab last
• Added an example to official storybook
• Update tests and snapshots

How to test

See the knobs "tweaks static values organized in groups" in official-storybook

[codecov]

Codecov Report

Merging #6232 into next will increase coverage by <.01%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##             next    #6232      +/-   ##
==========================================
+ Coverage   38.13%   38.14%   +<.01%     
==========================================
  Files         645      645              
  Lines        9644     9645       +1     
  Branches      355      355              
==========================================
+ Hits         3678     3679       +1     
  Misses       5911     5911              
  Partials       55       55

Impacted Files	Coverage Δ
addons/ondevice-knobs/src/panel.js	0% <0%> (ø)	⬆️
addons/knobs/src/components/Panel.js	80% <100%> (+0.27%)	⬆️

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[mkochendorfer]

This is a great change. Any chance you can also update Other to always be the last tab @shilman. I noticed this with All before where sometimes it would end up buried in the middle of other tabs if you had group names that came before All alphabetically. Same would be true here for Other.

[shilman]

Good call @mkochendorfer. Done!