Catch node for share not found

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

apps/files_sharing/lib/Cache.php

@@ -33,6 +33,7 @@
 use OC\Files\Cache\Wrapper\CacheJail;
 use OC\Files\Storage\Wrapper\Jail;
 use OCP\Files\Cache\ICacheEntry;
+use OCP\Files\NotFoundException;
 use OCP\Files\StorageNotAvailableException;
 
 /**
@@ -184,17 +185,22 @@ public function clear() {
 
 	public function search($pattern) {
 		// Do the normal search on the whole storage for non files
-		if ($this->storage->getItemType() !== 'file') {
-			return parent::search($pattern);
-		}
+		try {
+			if ($this->storage->getItemType() !== 'file') {
+				return parent::search($pattern);
+			}
 
-		$regex = '/' . str_replace('%', '.*', $pattern) . '/i';
+			$regex = '/' . str_replace('%', '.*', $pattern) . '/i';
 
-		$data = $this->get('');
-		if (preg_match($regex, $data->getName()) === 1) {
-			return [$data];
-		}
+			$data = $this->get('');
+			if (preg_match($regex, $data->getName()) === 1) {
+				return [$data];
+			}
 
-		return [];
+			return [];
+		} catch (NotFoundException $e) {
+			// Node for share not found
+			return [];
+		}
 	}
 }