Fix default missing initial state for templates

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

apps/files/lib/Controller/ViewController.php

@@ -294,7 +294,7 @@ class ViewController extends Controller {
 		if (class_exists(LoadViewer::class)) {
 			$this->eventDispatcher->dispatchTyped(new LoadViewer());
 		}
-		$this->initialState->provideInitialState('templates_path', $this->templateManager->hasTemplateDirectory() ? $this->templateManager->getTemplatePath() : null);
+		$this->initialState->provideInitialState('templates_path', $this->templateManager->hasTemplateDirectory() ? $this->templateManager->getTemplatePath() : false);
 		$this->initialState->provideInitialState('templates', $this->templateManager->listCreators());
 
 		$params = [];

lib/private/InitialStateService.php

@@ -69,7 +69,7 @@ class InitialStateService implements IInitialStateService {
 			return;
 		}
 
-		$this->logger->warning('Invalid data provided to provideInitialState by ' . $appName);
+		$this->logger->warning('Invalid '. $key . ' data provided to provideInitialState by ' . $appName);
 	}
 
 	public function provideLazyInitialState(string $appName, string $key, Closure $closure): void {