feat: use both horizontal and vertical in group variants

Author: ugur-vaadin

vaadin-checkbox-flow-parent/vaadin-checkbox-flow/src/main/java/com/vaadin/flow/component/checkbox/CheckboxGroupVariant.java

@@ -21,14 +21,19 @@
  * Set of theme variants applicable for {@code vaadin-checkbox-group} component.
  */
 public enum CheckboxGroupVariant implements ThemeVariant {
+    /**
+     * @deprecated Use {@link #VERTICAL} instead.
+     */
+    @Deprecated(since = "25.0", forRemoval = true)
     LUMO_VERTICAL("vertical"),
     /**
      * @deprecated Use {@link #HELPER_ABOVE_FIELD} instead.
      */
     @Deprecated(since = "25.0", forRemoval = true)
     LUMO_HELPER_ABOVE_FIELD("helper-above-field"),
-    HELPER_ABOVE_FIELD("helper-above-field"),
-    HORIZONTAL("horizontal");
+    HORIZONTAL("horizontal"),
+    VERTICAL("vertical"),
+    HELPER_ABOVE_FIELD("helper-above-field");
 
     private final String variant;
 

vaadin-radio-button-flow-parent/vaadin-radio-button-flow/src/main/java/com/vaadin/flow/component/radiobutton/RadioGroupVariant.java

@@ -21,13 +21,18 @@
  * Set of theme variants applicable for {@code vaadin-radio-group} component.
  */
 public enum RadioGroupVariant implements ThemeVariant {
+    /**
+     * @deprecated Use {@link #VERTICAL} instead.
+     */
+    @Deprecated(since = "25.0", forRemoval = true)
     LUMO_VERTICAL("vertical"),
     /**
      * @deprecated Use {@link #HELPER_ABOVE_FIELD} instead.
      */
     @Deprecated(since = "25.0", forRemoval = true)
     LUMO_HELPER_ABOVE_FIELD("helper-above-field"),
     HORIZONTAL("horizontal"),
+    VERTICAL("vertical"),
     HELPER_ABOVE_FIELD("helper-above-field");
 
     private final String variant;