extract isPlaybackActive to a global util function (#1393)

packages/utils/index.ts

@@ -89,3 +89,5 @@ export {
   defaultImportMap,
   isImportMap,
 } from './src/feature/spreadsheet-import/spreadsheetImport.js';
+
+export { isPlaybackActive } from './src/playback-utils/playbackstate.js';

packages/utils/src/playback-utils/playbackstate.ts

@@ -0,0 +1,10 @@
+import { Playback } from 'ontime-types';
+
+/**
+ * Utility checks whether the playback is considered to be active
+ * @param state
+ * @returns
+ */
+export function isPlaybackActive(state: Playback): boolean {
+  return state === Playback.Play || state === Playback.Pause || state === Playback.Roll;
+}