Markdown lint fix, attempt 2

Author: PPakalns

release-content/release-notes/radio_group_and_button_widget_improvements.md

@@ -9,13 +9,12 @@ pull_requests: [21294]
 Improvements:
 
 - Event propagation from user interactions will now be canceled even if
-  widgets are disabled. Previously, some relevant event propagation 
+  widgets are disabled. Previously, some relevant event propagation
   was not properly canceled.
-- `RadioButton` now emits a `ValueChange<bool>` entity event when checked, 
+- `RadioButton` now emits a `ValueChange<bool>` entity event when checked,
   even when checked via a `RadioGroup`. Consistent with other `Checkable` widgets.
-  As a `RadioButton` cannot be unchecked through direct user interaction with this widget, 
+  As a `RadioButton` cannot be unchecked through direct user interaction with this widget,
   a `ValueChange` event with value `false` can not be triggered for `RadioButton`.
 - If a `RadioButton` is focusable, a value change event can be triggered
   using the **Space** or **Enter** keys when focused.
 - `RadioGroup` is now optional and can be replaced with a custom implementation.
-