Change filePath to real path if it's an upload (#4132)

Author: isaacdew2

src/Files/TemporaryFile.php

@@ -53,8 +53,10 @@ public function sync(): TemporaryFile
     public function copyFrom($filePath, string $disk = null): TemporaryFile
     {
         if ($filePath instanceof UploadedFile) {
-            $readStream = fopen($filePath->getRealPath(), 'rb');
-        } elseif ($disk === null && realpath($filePath) !== false) {
+            $filePath = $filePath->getRealPath();
+        }
+
+        if ($disk === null && realpath($filePath) !== false) {
             $readStream = fopen($filePath, 'rb');
         } else {
             $diskInstance = app('filesystem')->disk($disk);