fix(storage): Try to delete existing target

Signed-off-by: Git'Fellow <12234510+solracsf@users.noreply.github.com>

Add same logic to common storage

[skip ci]

Author: solracsf

lib/private/Files/Storage/Common.php

@@ -113,6 +113,7 @@ protected function remove($path) {
 		} else {
 			return false;
 		}
+		return false;
 	}
 
 	public function is_dir($path) {

lib/private/Files/Storage/Local.php

@@ -380,10 +380,12 @@ public function rename($source, $target): bool {
 			return false;
 		}
 
-		if ($this->is_dir($target)) {
-			$this->rmdir($target);
-		} elseif ($this->is_file($target)) {
-			$this->unlink($target);
+		if ($this->file_exists($target)) {
+			if ($this->is_dir($target)) {
+				$this->rmdir($target);
+			} elseif ($this->is_file($target)) {
+				$this->unlink($target);
+			}
 		}
 
 		if ($this->is_dir($source)) {