VE-1656: Add information about file dimensions so search results for Gallery/Media dialog in VisualEditor

https://wikia-inc.atlassian.net/browse/VE-1656
VE-1659: Focus search/query field after insert Gallery dialog is opened

https://wikia-inc.atlassian.net/browse/VE-1659
VE-1659: Addressed styling problem
VE-1648: Styling for results and other UI
Merge pull request #5337 from Wikia/VE-1659

VE-1659: Focus search/query field after insert Gallery dialog is opened
Merge pull request #5336 from Wikia/VE-1656

VE-1656: Add information about file dimensions so search results for Gallery/Media dialog in VisualEditor
Merge pull request #5342 from Wikia/VE-1648

VE-1648: Styling for results and other UI
Merge branch 've-sprint-31' into VE-1651

Conflicts:
	extensions/VisualEditor/wikia/modules/ve/ui/dialogs/ve.ui.WikiaSingleMediaDialog.js