fix(ui/single_select): Added a Default implementation for SelectForm …

…using SelectFormBuilder

Added a Default implementation for SelectForm using SelectFormBuilder.
This change ensures that SelectForm can be instantiated with default
values, improving usability and consistency.

src/ui/widget/single_select/select.rs

@@ -77,7 +77,7 @@ impl Default for SelectFormBuilder {
 }
 
 #[derive(Derivative)]
-#[derivative(Debug, Default)]
+#[derivative(Debug)]
 pub struct SelectForm<'a> {
     list_items: BTreeSet<LiteralItem>,
     list_widget: List<'a>,
@@ -87,6 +87,12 @@ pub struct SelectForm<'a> {
     matcher: SkimMatcherV2,
 }
 
+impl Default for SelectForm<'_> {
+    fn default() -> Self {
+        SelectFormBuilder::default().build()
+    }
+}
+
 impl<'a> SelectForm<'a> {
     pub fn builder() -> SelectFormBuilder {
         SelectFormBuilder::default()