Angular: use resolveLoader from cliCommonConfig

[Hypnosphi]

Issue: Angular CLI webpack config uses loaders as plain strings (e.g. use: 'sass-loader'). By default that means that webpack will try to resolve this loader relative to app root directory. Sometimes it happens to work, sometimes it doesn't

To deal with it, angular CLI adds resolveLoader option which we should use as well

[codecov]

Codecov Report

Merging #3251 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3251   +/-   ##
=======================================
  Coverage   35.86%   35.86%           
=======================================
  Files         440      440           
  Lines        9682     9682           
  Branches      897      907   +10     
=======================================
  Hits         3472     3472           
+ Misses       5650     5630   -20     
- Partials      560      580   +20

Impacted Files	Coverage Δ
app/angular/src/server/angular-cli_config.js	0% <ø> (ø)	⬆️
app/vue/src/server/utils.js	0% <0%> (-100%)	⬇️
addons/actions/src/lib/util/prepareArguments.js	57.14% <0%> (ø)	⬆️
addons/info/src/components/types/PropertyLabel.js	78.94% <0%> (ø)	⬆️
lib/ui/src/modules/ui/containers/search_box.js	23.52% <0%> (ø)	⬆️
addons/storysource/src/loader/index.js	0% <0%> (ø)	⬆️
lib/ui/src/libs/key_events.js	33.96% <0%> (ø)	⬆️
addons/jest/src/hoc/provideJestResult.js	0% <0%> (ø)	⬆️
addons/a11y/src/components/Tabs.js	0% <0%> (ø)	⬆️
...ns/viewport/src/manager/components/viewportInfo.js	33.33% <0%> (ø)	⬆️
... and 53 more

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[igor-dv]

LGTM