fix: increase container height offsets for topbar (via #1948)

Author: shockey

src/plugins/editor/components/editor.less

@@ -1,10 +1,10 @@
 #swagger-editor {
   #ace-editor {
-    height: ~"calc(100vh - 46px)" !important;
+    height: ~"calc(100vh - 51px)" !important;
   }
 
   .SplitPane {
-    height: ~"calc(100% - 46px)" !important;
+    height: ~"calc(100% - 51px)" !important;
   }
 
   .dropzone {