Ignore case when sort members.

pkg/analysis_server/lib/src/services/correction/sort_members.dart

Index: pkg/analysis_server/lib/src/services/correction/sort_members.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/sort_members.dart b/pkg/analysis_server/lib/src/services/correction/sort_members.dart
index c4166979e90da7b4760a644300ffac8547ddc5b1..9eb4db8e0f15c40359b0b01540eba9134351c8f3 100644
--- a/pkg/analysis_server/lib/src/services/correction/sort_members.dart
+++ b/pkg/analysis_server/lib/src/services/correction/sort_members.dart
@@ -311,7 +311,9 @@ class MemberSorter {
           return o1.offset - o2.offset;
         }
         // sort all other members by name
-        return o1.name.compareTo(o2.name);
+        String name1 = o1.name.toLowerCase();
+        String name2 = o2.name.toLowerCase();
+        return name1.compareTo(name2);
       }
       return priority1 - priority2;
     });