Create new playlist button on Playlists screen

[ReshetovItsMe]

This PR addresses issue #999 to create playlist from playlists screen

It involves the following changes:

• Translation for new buttons
• PlaylistHeader added dialog and button to create playlist
• Playlist helper in core now can formatPlaylistForStorage with empty tracks
• PlaylistContainer hook pass createPlaylist action
• Updated snapshots

Looks like this:

[codecov]

Codecov Report

Merging #1029 (d738b1c) into master (478602a) will increase coverage by 0.20%.
The diff coverage is 92.30%.

@@            Coverage Diff             @@
##           master    #1029      +/-   ##
==========================================
+ Coverage   60.78%   60.98%   +0.20%     
==========================================
  Files         273      273              
  Lines        4786     4791       +5     
  Branches      306      307       +1     
==========================================
+ Hits         2909     2922      +13     
+ Misses       1617     1610       -7     
+ Partials      260      259       -1     

Impacted Files	Coverage Δ
packages/app/app/components/InputDialog/index.js	89.47% <0.00%> (-5.27%)	⬇️
packages/app/app/actions/playlists.ts	56.52% <100.00%> (+12.23%)	⬆️
...app/components/Playlists/PlaylistsHeader/index.tsx	100.00% <100.00%> (ø)
packages/app/app/components/Playlists/index.tsx	93.33% <100.00%> (ø)
...ges/app/app/containers/PlaylistsContainer/hooks.ts	87.50% <100.00%> (+1.78%)	⬆️
packages/core/src/helpers/playlist/index.ts	19.23% <100.00%> (+3.23%)	⬆️

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[nukeop]

You can get rid of this div

[ReshetovItsMe]

no, I can't because header has flex with space between