Add plugin:list command
Fix #1677 : Avoid migration failure
Fix #1673 : Avoid interpolation for image and videos
Add json output to plugins:list command
Merge pull request #904 from romainneutron/plugins-list

[3.8] Plugins list
Merge pull request #905 from romainneutron/fix-1677

[3.8] Fix #1677 : Avoid migration failure
Merge pull request #906 from romainneutron/fix-1673

[3.8] Fix #1673 : Avoid interpolation for image and videos
Merge branch '3.8'

Conflicts:
	bin/console
	composer.lock
Fix composer.lock