Edit Component dialog crashed when selecting cancel or commit action.

Steps to reproduce

1. Include magnolia-personalization-pages (2.0.14) to your webapp bundle
2. Edit page in pages app:
3. Select 1 component to edit
   
4. Click cancel
   
   

Expected results

• Dialogs can be closed or saved properly

Actual results

• Dialogs failed with exception

Development notes

• From 6.2.13 We are adding LanguageSelectorView to EditElementAction, and made the old constructor as deprecated.
• personalization-pages(2.0.14) module, VariantAwareEditElementAction is still using the old constructor one.
• languageSelectorView’s null causing dialog to be crashed due to NPE.
• Definition app a:
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