Merge pull request #56970 from nextcloud/backport/56758/stable31

[stable31] fix: Fix orphan shares blocking moving other shares

Author: nfebe

lib/private/Files/View.php

@@ -1904,7 +1904,15 @@ private function targetIsNotShared(string $user, string $targetPath): bool {
 		}, $providers));
 
 		foreach ($shares as $share) {
-			$sharedPath = $share->getNode()->getPath();
+			try {
+				$sharedPath = $share->getNode()->getPath();
+			} catch (NotFoundException $e) {
+				// node is not found, ignoring
+				$this->logger->debug(
+					'Could not find the node linked to a share',
+					['app' => 'files', 'exception' => $e]);
+				continue;
+			}
 			if ($targetPath === $sharedPath || str_starts_with($targetPath, $sharedPath . '/')) {
 				$this->logger->debug(
 					'It is not allowed to move one mount point into a shared folder',