FIX: inability to scroll modals on dark theme

What. The. Hell.

pipeline/source_assets/scss/dark_screen.scss

@@ -153,4 +153,7 @@
     .CodeMirror-cursor {
         border-color: white !important;
     }
+    .modal {
+      overflow-y: auto !important; //Bootstrap Dark Theme overrides this to none for some insane reason so we need to change it back
+    }
 }

pipeline/source_assets/scss/screen.scss

@@ -116,10 +116,6 @@ textarea {
   hyphens: auto;
 }
 
-.modal-dialog {
-  z-index: inherit; // bug fix introduced in 52682ce
-}
-
 del {
   background-color: #f2dede;
   border-radius: 3px;