Fix groupname dialog title

app/src/main/java/me/impy/aegis/ui/Dialogs.java

@@ -142,7 +142,7 @@ public class Dialogs {
         EditText groupName = view.findViewById(R.id.text_groupname);
 
         AlertDialog dialog = new AlertDialog.Builder(activity)
-                .setTitle(R.string.set_password)
+                .setTitle(R.string.set_group)
                 .setView(view)
                 .setPositiveButton(android.R.string.ok, (dialog1, which) ->
                         listener.onTextInputResult(groupName.getText().toString()))

app/src/main/res/values/strings.xml

@@ -47,6 +47,7 @@
     <string name="authentication_enter_password">Enter your password</string>
     <string name="authentication">Unlock the vault</string>
     <string name="set_password">Please enter a password</string>
+    <string name="set_group">Please enter a group name</string>
     <string name="set_password_confirm">Please confirm the password</string>
     <string name="invalidated_fingerprint">A change in your device\'s security settings has been detected. Please go to \"Settings -> Fingerprint\" and re-add your fingerprint.</string>