New features
[1fbd191] Allow to customize rendered length of CollectionField (@jacekkow)
[f1d1c47] Create directory if needed when creating a CRUD controller via a command (@javiereguiluz)
[fe3be93] Create directory if needed when uploading files (@javiereguiluz)
Bug fixes
[9d625e2] Handle potential null return in first() of EntityCollection fixing deprecation (@gremo)
[21f4f77] Fix an error related to cache warmer and dashboard registry that resulted in "XXX class is not a valid Dashboard controller" (@a.dmitryuk)
[d06ccc5] Improve the scrollbar behavior of the sidebar (@javiereguiluz)
[dab3778] Fix filters are not enabled automatically when using expanded choice filters (@javiereguiluz)
[5cdc9a3] Fix editing content in large textareas make the cursor jump to the beginning (@javiereguiluz)
[f4ab2c8] Display the main action icon in split buttons used in group actions (@javiereguiluz)
Misc fixes
[e842811] Refactor AdminContext into sub-contexts (@javiereguiluz)
[70ea4c2][35ea422] Add tests for all fields (@javiereguiluz, @michaelKaefer)
[e344edc] Add more tests related to security (@javiereguiluz)
[30a83f8] Add more tests related to ORM (@javiereguiluz)
[45f273a][33df4f1] Add more tests related to factories (@javiereguiluz)
[b1b6b97] Add more unit tests related to argument resolvers (@javiereguiluz)
[0d26c01] Updates tests to add return types and make data provider methods static (@michaelKaefer)
[3d3d683] Use Stringable interface when possible (@javiereguiluz)
[941bae8] Deprecate method toString() in EntityDto which does the same as __toString() (@michaelKaefer)
[490a766][0da2d18] Reworked some broken tests related to DataCollector and exceptions (@michaelKaefer)
[828db63][95a3b34] Misc. doc changes (@Doskyft, @ThibautM21)