fix: fix config bug and btn style

Author: coderxsjah

.DS_Store

@@ -158,7 +158,7 @@ export class OpenAPIConfigEditor extends PureComponent<Props, State> {
           productConfigs.map((product, index) => (
             <ProductConfigItemEditor
               product={product}
-              key={JSON.stringify(product)}
+              key={`${JSON.stringify(product)}-${index}`}
               addProduct={() => this.addProduct()}
               remove={() => this.removeProduct(index)}
               index={index}

src/components/ConfigEditor.tsx

@@ -98,8 +98,8 @@ const ProductConfigItemEditor = ({
   return (
     <div>
       <InlineFieldRow>
-        <div className='gf-form-label' style={{ width: '32px', padding: '0 8px 0 12px'}} onClick={addProduct}>+</div>
-        <div className='gf-form-label' style={{ width: '32px', padding: '0 8px 0 12px'}} onClick={remove}>-</div>
+        <div className='gf-form-label' style={{ width: '32px', padding: '0 8px 0 12px', cursor: 'pointer'}} onClick={addProduct}>+</div>
+        <div className='gf-form-label' style={{ width: '32px', padding: '0 8px 0 12px', cursor: 'pointer'}} onClick={remove}>-</div>
         <InlineField label="Product" labelWidth={8}>
           <Select
             width={33}