Added no action icon

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

@@ -679,7 +679,7 @@ public class FragmentRule extends FragmentBase {
         });
 
         List<Action> actions = new ArrayList<>();
-        actions.add(new Action(EntityRule.TYPE_NOOP, getString(R.string.title_rule_noop), R.drawable.twotone_close_24));
+        actions.add(new Action(EntityRule.TYPE_NOOP, getString(R.string.title_rule_noop), R.drawable.twotone_remove_circle_outline_24));
         actions.add(new Action(EntityRule.TYPE_SEEN, getString(R.string.title_rule_seen), R.drawable.twotone_drafts_24));
         actions.add(new Action(EntityRule.TYPE_UNSEEN, getString(R.string.title_rule_unseen), R.drawable.twotone_mail_24));
         actions.add(new Action(EntityRule.TYPE_HIDE, getString(R.string.title_rule_hide), R.drawable.twotone_visibility_off_24));

app/src/main/res/drawable/twotone_remove_circle_outline_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M7,11h10v2L7,13zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8z"/>
+</vector>