Fixed IDEA-219423 'Always keep trailing space on caret line' is controlled via editorconfig in 2019.2

GitOrigin-RevId: 2c195ab9ea690bfb7e0d5dc73de3e80fa6f4875f

plugins/editorconfig/src/org/editorconfig/configmanagement/EditorConfigTrailingSpacesOptionsProvider.java

@@ -73,7 +73,7 @@ public class EditorConfigTrailingSpacesOptionsProvider implements TrailingSpaces
     @Nullable
     @Override
     public Boolean getKeepTrailingSpacesOnCaretLine() {
-      return myTrimTrailingSpaces != null ? !myTrimTrailingSpaces : null;
+      return null;
     }
   }
 }