fix: catch all errors when getting rich workspace file

Signed-off-by: Robin Appelman <robin@icewind.nl>

lib/DAV/WorkspacePlugin.php

@@ -82,7 +82,7 @@ public function propFind(PropFind $propFind, INode $node) {
 		$node = $node->getNode();
 		try {
 			$file = $this->workspaceService->getFile($node);
-		} catch (StorageNotAvailableException $e) {
+		} catch (\Exception $e) {
 			$file = null;
 		}