[3.0] Fix <move-file>/<move-dir> in package-info

The test was trying to confirm that the destination file existed, when
it's actually supposed to not exist since we're moving something to
that name.

Turns out a similar fix was done earlier to stop the warning from
showing up for <create-dir> and <create-file> (#3009), so I just
extended that fix.

Fixes #8986

Signed-off-by: Dav999 <[email protected]>

Author: Daaaav

Sources/PackageManager/PackageManager.php

@@ -746,7 +746,7 @@ public function installTest(): void
 			}
 
 			// Don't fail if a file/directory we're trying to create doesn't exist...
-			if (isset($action['filename']) && !file_exists($file) && !\in_array($action['type'], ['create-dir', 'create-file']) && $action['error'] != 'ignore') {
+			if (isset($action['filename']) && !file_exists($file) && !\in_array($action['type'], ['create-dir', 'create-file', 'move-dir', 'move-file']) && $action['error'] != 'ignore') {
 				Utils::$context['has_failure'] = true;
 
 				$thisAction += [