fix(compiler-vapor): unset needsQuoting if there is no value

Author: mary-ext

packages/compiler-vapor/__tests__/transforms/transformElement.spec.ts

@@ -573,11 +573,11 @@ describe('compiler: element transform', () => {
 
   test('static props', () => {
     const { code, ir } = compileWithElementTransform(
-      `<div id="foo" class="bar" title="has whitespace" data-targets="foo>bar" />`,
+      `<div id="foo" class="bar" title="has whitespace" inert data-targets="foo>bar" />`,
     )
 
     const template =
-      '<div id=foo class=bar title="has whitespace"data-targets="foo>bar"></div>'
+      '<div id=foo class=bar title="has whitespace"inert data-targets="foo>bar"></div>'
     expect(code).toMatchSnapshot()
     expect(code).contains(JSON.stringify(template))
     expect(ir.template).toMatchObject([template])

packages/compiler-vapor/src/transforms/transformElement.ts

@@ -240,6 +240,8 @@ function transformNativeElement(
           } else {
             template += `=${value}`
           }
+        } else {
+          needsQuoting = false
         }
       } else {
         dynamicProps.push(key.content)