Clear message buffers when macro was paused

plugins/midi/macro-condition-midi.cpp

@@ -1,5 +1,6 @@
 #include "macro-condition-midi.hpp"
 #include "layout-helpers.hpp"
+#include "macro-helpers.hpp"
 #include "ui-helpers.hpp"
 
 namespace advss {
@@ -17,6 +18,14 @@ bool MacroConditionMidi::CheckCondition()
 		return false;
 	}
 
+	const bool macroWasPausedSinceLastCheck =
+		MacroWasPausedSince(GetMacro(), _lastCheck);
+	_lastCheck = std::chrono::high_resolution_clock::now();
+	if (macroWasPausedSinceLastCheck) {
+		_messageBuffer->Clear();
+		return false;
+	}
+
 	while (!_messageBuffer->Empty()) {
 		auto message = _messageBuffer->ConsumeMessage();
 		if (!message) {