Fix addon-actions in legacy Android browser

[Hypnosphi]

Issue: #2324

What I did

Added a fallback to default "action" function name when it's not configurable (as contrary to the spec)

How to test

Open CRNA app in Android 4.4 emulator

I also moved addon-actions storybook to cra-kitchen-sink

[codecov]

Codecov Report

Merging #2365 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2365      +/-   ##
==========================================
+ Coverage   19.92%   19.93%   +0.01%     
==========================================
  Files         293      293              
  Lines        6485     6486       +1     
  Branches      754      756       +2     
==========================================
+ Hits         1292     1293       +1     
+ Misses       4625     4600      -25     
- Partials      568      593      +25

Impacted Files	Coverage Δ
addons/actions/src/preview.js	52.94% <100%> (+2.94%)	⬆️
app/vue/src/server/utils.js	0% <0%> (-53.58%)	⬇️
lib/ui/src/modules/ui/containers/down_panel.js	23.52% <0%> (ø)	⬆️
lib/ui/src/modules/ui/components/menu_item.js	19.14% <0%> (ø)	⬆️
...s/left_panel/stories_tree/tree_decorators_utils.js	45.23% <0%> (ø)	⬆️
...codemod/src/transforms/update-organisation-name.js	40.62% <0%> (ø)	⬆️
addons/info/src/components/PropVal.js	41.41% <0%> (ø)	⬆️
lib/ui/src/modules/ui/configs/handle_keyevents.js	33.33% <0%> (ø)	⬆️
addons/a11y/src/components/Report/Rules.js	0% <0%> (ø)	⬆️
...res__/update-addon-info/update-addon-info.input.js	0% <0%> (ø)	⬆️
... and 18 more

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[Ragnar-H]

@Hypnosphi anything I can do help here?

Got hit by #2324 recently

[tmeasday]

Look reasonable to me. I don't have an android setup to easily test this though.