fix(files_external): Stop building path twice when checking if file e…

…xists on case insensitive SMB storage

Signed-off-by: provokateurin <[email protected]>

apps/files_external/lib/Lib/Storage/SMB.php

@@ -627,7 +627,7 @@ public function file_exists(string $path): bool {
 			// Case sensitive filesystem doesn't matter for root directory
 			if ($this->caseSensitive === false && $path !== '') {
 				$filename = basename($path);
-				$siblings = $this->getDirectoryContent(dirname($this->buildPath($path)));
+				$siblings = $this->getDirectoryContent(dirname($path));
 				foreach ($siblings as $sibling) {
 					if ($sibling['name'] === $filename) {
 						return true;