Migrate ContactPage to MWS/MWE (#3448)

• Move ContactPage configs to LS

• Delete ContactPage.php

• Update LocalExtensions.php

• Move ContactPage to MWE/config to MWS

• Migrate ContactPage to MWE

• migrate ContactPage config to MWS

• migrate ContactPage config to MWS

• add $wmgContactPageRecipientUser default value

• fix missing ","

• fix default value for $wmgContactPageRecipientUser

• Update default for $wmgContactPageRecipientUser

• rename variable

• rename variable

• rename variable

• add ->getName()

• add ->getName(); change type to "user"

• Wiki requester not founder

• Wiki requester not founder

• Move to LocalWiki.php

• Moved

• fix

• fix

• fix

• fix

• rename

• fix

• fix

• fix

• fix

• fix

• fix

• fix

• fix