Should fix https://github.com/matrix-org/dendrite/issues/3183, since Element Android already implements [MSC3987](https://github.com/vector-im/element-android/pull/8530) This is also part of https://github.com/matrix-org/dendrite/issues/3225
pattern
EventMatchCondition
This should fix https://github.com/matrix-org/dendrite/issues/2882 (Tested with FluffyChat 1.7.1) Also adds tests that the predefined push rules (as per the spec) is what we have in Dendrite.