Reset buttons when overridden.

Author: yajra

src/Html/Options/Plugins/Buttons.php

@@ -21,6 +21,8 @@ trait Buttons
      */
     public function buttons(...$buttons): static
     {
+        $this->attributes['buttons'] = [];
+
         if (is_array($buttons[0])) {
             $buttons = $buttons[0];
         }

tests/BuilderOptionsPluginsTest.php

@@ -60,7 +60,7 @@ public function it_has_buttons_plugin()
             Button::make('remove'),
         ]);
 
-        $this->assertCount(3, $builder->getButtons());
+        $this->assertCount(1, $builder->getButtons());
     }
 
     /** @test */