Fixing bug where non-modified files were reported as modified

This would cause errors if these files were deleted in the app, when trying to generate the patch

Author: weaverryan

src/Update/RecipePatcher.php

@@ -97,7 +97,7 @@ public function generatePatch(array $originalFiles, array $newFiles): RecipePatc
         $modifiedFiles = array_intersect_key(array_keys($originalFiles), array_keys($newFiles));
         $deletedModifiedFiles = [];
         foreach ($modifiedFiles as $modifiedFile) {
-            if (!file_exists($this->rootDir.'/'.$modifiedFile)) {
+            if (!file_exists($this->rootDir.'/'.$modifiedFile) && $originalFiles[$modifiedFile] !== $newFiles[$modifiedFile]) {
                 $deletedModifiedFiles[] = $modifiedFile;
             }
         }