Fix/theming broken

[ndelangen]

Issue: #5706

What I did

I moved the aliases to the ui package

I tested this by hosting a local npm registry, publishing, updating a reproduction repo, installing, then running the repro.

It worked!

[codecov]

Codecov Report

Merging #5722 into next will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             next    #5722      +/-   ##
==========================================
- Coverage   33.28%   33.27%   -0.01%     
==========================================
  Files         648      648              
  Lines        9371     9367       -4     
  Branches     1355     1355              
==========================================
- Hits         3119     3117       -2     
+ Misses       5637     5635       -2     
  Partials      615      615

Impacted Files	Coverage Δ
lib/ui/scripts/createDlls.js	0% <ø> (ø)	⬆️
lib/ui/paths.js	0% <ø> (ø)	⬆️
.../core/src/server/manager/manager-webpack.config.js	0% <ø> (ø)	⬆️
lib/client-logger/src/index.ts	100% <0%> (ø)	⬆️
lib/channel-postmessage/src/index.ts	0% <0%> (ø)	⬆️

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