Apply & bundle edits for non-message events. (#14034)

Fixes two related bugs:

* No edit information was bundled for events which aren't `m.room.message`.
* `m.new_content` was not applied for those events.

1 files changed, 1 insertions, 0 deletions

diff --git a/changelog.d/14034.bugfix b/changelog.d/14034.bugfix
new file mode 100644

index 0000000000..e437ef3a01
--- /dev/null
+++ b/changelog.d/14034.bugfix
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+Fix a long-standing bug where edits of non-`m.room.message` events would not be correctly bundled or have their new content applied.