[stable30] fix(initial-state): correct defaultDaemonConfig initial st…

…ate (#476)

Backport of #473

Signed-off-by: Andrey Borysenko <andrey18106x@gmail.com>

lib/Service/ExAppsPageService.php

@@ -53,6 +53,8 @@ public function provideAppApiState(IInitialState $initialState): void {
 		}
 
 		$initialState->provideInitialState('defaultDaemonConfigAccessible', $daemonConfigAccessible);
-		$initialState->provideInitialState('defaultDaemonConfig', $defaultDaemonConfig);
+		if ($defaultDaemonConfig !== null) {
+			$initialState->provideInitialState('defaultDaemonConfig', $defaultDaemonConfig);
+		}
 	}
 }