[PATCH v5 0/6] MR1172: jscript/mshtml: Misc improvements.

[Gabriel Ivăncescu]

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  v5: mshtml: Implement document.referrer.
      mshtml: Implement document.mimeType.
      mshtml: Get rid of a EVENTID_LAST special case.
      mshtml: Allow null or undefined func in addEventListener.
      mshtml: Allow null or undefined listeners in attachEvent/detachEvent.
      jscript: Implement VariantChangeType for VT_DISPATCH and VT_UNKNOWN.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/1172