Feat/update file picker (#6614)

* styling: file-picker editor component

* use filepicker component within filebody and response example filebody

* edit example to use button components

* fix: hide delete, disable checkbox in preview mode

* make label italic

* chore: change example cta buttons to filled style

---------

Co-authored-by: Bijin A B <bijin@usebruno.com>

packages/bruno-app/src/components/ResponseExample/ResponseExampleRequestPane/ResponseExampleParams/index.js

@@ -192,6 +192,8 @@ const ResponseExampleParams = ({ editMode, item, collection, exampleUid }) => {
         reorderable={editMode}
         onReorder={handleQueryParamDrag}
         showAddRow={editMode}
+        showDelete={editMode}
+        disableCheckbox={!editMode}
       />
       {editMode && (
         <div className="flex justify-end mt-2">