refs or cleanup

src/.editorconfig

@@ -189,7 +189,7 @@ resharper_arrange_object_creation_when_type_evident_highlighting = error
 resharper_arrange_object_creation_when_type_not_evident_highlighting = error
 resharper_arrange_redundant_parentheses_highlighting = error
 resharper_arrange_static_member_qualifier_highlighting = error
-resharper_arrange_this_qualifier_highlighting = hint
+resharper_arrange_this_qualifier_highlighting = error
 resharper_arrange_type_member_modifiers_highlighting = none
 resharper_built_in_type_reference_style_for_member_access_highlighting = hint
 resharper_built_in_type_reference_style_highlighting = hint