Move command requests to card message matrix events and add support for multiple commands per message #5379

All 793 tests pass, 2 skipped in 25m 25s

    1 files ±0     1 suites ±0 25m 25s ⏱️ +26s
795 tests ±0 793 ✔️ ±0 2 💤 ±0 0 ❌ ±0
800 runs ±0 798 ✔️ ±0 2 💤 ±0 0 ❌ ±0

Results for commit 8b4e305. ± Comparison against earlier commit 8d2d4c6.