use default return keyboard button instead of continue

deltachat-ios/Controller/EditSettingsController.swift

@@ -47,7 +47,7 @@ class EditSettingsController: UITableViewController, MediaPickerDelegate {
         let cell = TextFieldCell(description: String.localized("pref_your_name"), placeholder: String.localized("pref_your_name"))
         cell.setText(text: dcContext.displayname)
         cell.textFieldDelegate = self
-        cell.textField.returnKeyType = .continue
+        cell.textField.returnKeyType = .default
         return cell
     }()
 

deltachat-ios/Controller/NewGroupController.swift

@@ -37,7 +37,7 @@ class NewGroupController: UITableViewController, MediaPickerDelegate {
         cell.onTextFieldChange = self.updateGroupName
         cell.textField.autocorrectionType = UITextAutocorrectionType.no
         cell.textField.enablesReturnKeyAutomatically = true
-        cell.textField.returnKeyType = .continue
+        cell.textField.returnKeyType = .default
         cell.textFieldDelegate = self
         return cell
     }()

deltachat-ios/Controller/ProfileInfoViewController.swift

@@ -34,7 +34,7 @@ class ProfileInfoViewController: UITableViewController {
         cell.onTextFieldChange = {[weak self] textField in
             self?.displayName = textField.text
         }
-        cell.textField.returnKeyType = .continue
+        cell.textField.returnKeyType = .default
         return cell
     }()