[PATCH v5 0/9] MR2691: mshtml: More ref leak fixes.

[Gabriel Ivăncescu (＠insn)]

This should finally fix the ref leaks that keep all gecko nsDocuments alive even on the most basic docs.

--
  v5: mshtml/tests: Fix element leak in elem_fire_event.
      mshtml: Pass actual node_ccp to ccref_decr for nodes.
      mshtml: Fix nsChannel's load_info leak.
      mshtml: Support cycle collection for nsChannel.
      mshtml: Store minimum compat mode required for events in the ctor table.
      mshtml: Fix URI leak in NewURI on failure.
      mshtml: Fix nsIFile dir leak in init_xpcom.
      mshtml: Fix factory leak in init_nsio.
      mshtml: Do not release the principal returned by GetPrincipal.

https://gitlab.winehq.org/wine/wine/-/merge_requests/2691