Simplify rule ordering

app/src/main/java/eu/faircode/email/AdapterRule.java

@@ -34,12 +34,8 @@ import androidx.recyclerview.widget.DiffUtil;
 import androidx.recyclerview.widget.ListUpdateCallback;
 import androidx.recyclerview.widget.RecyclerView;
 
-import java.text.Collator;
 import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
-import java.util.Locale;
 
 public class AdapterRule extends RecyclerView.Adapter<AdapterRule.ViewHolder> {
     private Context context;
@@ -105,19 +101,6 @@ public class AdapterRule extends RecyclerView.Adapter<AdapterRule.ViewHolder> {
     public void set(@NonNull List<TupleRuleEx> rules) {
         Log.i("Set rules=" + rules.size());
 
-        final Collator collator = Collator.getInstance(Locale.getDefault());
-        collator.setStrength(Collator.SECONDARY); // Case insensitive, process accents etc
-
-        Collections.sort(rules, new Comparator<TupleRuleEx>() {
-            @Override
-            public int compare(TupleRuleEx r1, TupleRuleEx r2) {
-                int o = ((Integer) r1.order).compareTo(r2.order);
-                if (o != 0)
-                    return 0;
-                return collator.compare(r1.name, r2.name);
-            }
-        });
-
         DiffUtil.DiffResult diff = DiffUtil.calculateDiff(new DiffCallback(items, rules), false);
 
         items = rules;

app/src/main/java/eu/faircode/email/DaoRule.java

@@ -31,13 +31,13 @@ import java.util.List;
 public interface DaoRule {
     @Query("SELECT * FROM rule" +
             " WHERE folder = :folder" +
-            " ORDER BY `order`, name")
+            " ORDER BY `order`, name COLLATE NOCASE")
     List<EntityRule> getRules(long folder);
 
     @Query("SELECT * FROM rule" +
             " WHERE folder = :folder" +
             " AND enabled" +
-            " ORDER BY `order`, name")
+            " ORDER BY `order`, name COLLATE NOCASE")
     List<EntityRule> getEnabledRules(long folder);
 
     @Query("SELECT rule.*, folder.account, folder.name AS folderName, account.name AS accountName FROM rule" +
@@ -50,7 +50,7 @@ public interface DaoRule {
             " JOIN folder ON folder.id = rule.folder" +
             " JOIN account ON account.id = folder.account" +
             " WHERE rule.folder = :folder" +
-            " ORDER BY `order`, name")
+            " ORDER BY `order`, name COLLATE NOCASE")
     LiveData<List<TupleRuleEx>> liveRules(long folder);
 
     @Insert