feat(ContextChat): add isContextChatAvailable method to OCP API

Signed-off-by: Edward Ly <[email protected]>

Author: edward-ly

lib/private/ContextChat/ContentManager.php

@@ -16,6 +16,10 @@ public function __construct(
 	) {
 	}
 
+	public function isContextChatAvailable(): bool {
+		return $this->contentManager !== null;
+	}
+
 	public function registerContentProvider(string $appId, string $providerId, string $providerClass): void {
 		$this->contentManager?->registerContentProvider($appId, $providerId, $providerClass);
 	}

lib/public/ContextChat/IContentManager.php

@@ -11,6 +11,14 @@
  * @since 32.0.0
  */
 interface IContentManager {
+	/**
+	 * Checks if the context chat app is enabled or not
+	 *
+	 * @return bool
+	 * @since 32.0.0
+	 */
+	public function isContextChatAvailable(): bool;
+
 	/**
 	 * @param string $appId
 	 * @param string $providerId