fix(compiler-dom): properly stringify class/style bindings when hoisting static strings

packages/compiler-ssr/__tests__/ssrElement.spec.ts

@@ -101,7 +101,7 @@ describe('ssr: element', () => {
       expect(
         getCompiledString(`<div style="color:red;" :style="bar"></div>`)
       ).toMatchInlineSnapshot(
-        `"\`<div style=\\"\${_ssrRenderStyle([_hoisted_1, _ctx.bar])}\\"></div>\`"`
+        `"\`<div style=\\"\${_ssrRenderStyle([{\\"color\\":\\"red\\"}, _ctx.bar])}\\"></div>\`"`
       )
     })
 
@@ -184,7 +184,7 @@ describe('ssr: element', () => {
         )
       ).toMatchInlineSnapshot(`
         "\`<div\${_ssrRenderAttrs(_mergeProps({
-            style: [_hoisted_1, _ctx.b]
+            style: [{\\"color\\":\\"red\\"}, _ctx.b]
           }, _ctx.obj))}></div>\`"
       `)
     })