Fix fenced code block in a JS templates (#19908)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: fisker <lionkay@gmail.com>

tests/config/format-test/failed-format-tests.js

@@ -10,10 +10,6 @@ const unstableTests = new Map(
     ],
     ["js/ignore/semi/head-ignored.js", (options) => options.semi === false],
     "js/comments/return-statement.js",
-    [
-      "js/multiparser-markdown/codeblock.js",
-      (options) => options.proseWrap === "always",
-    ],
     "flow/hook/declare-hook.js",
     "flow/hook/hook-type-annotation.js",
     "flow/comments/type_annotations.js",

tests/format/js/multiparser-markdown/__snapshots__/format.test.js.snap

@@ -69,15 +69,35 @@ markdown\\\`
 \\\`\\\`\\\`
 \`;
 
+md\`
+\\\`\\\`\\\`js
+markdown\\\`
+    \\\\\\\`\\\\\\\`\\\\\\\`\\\\\\\`js
+    console.log('hi');
+    \\\\\\\`\\\\\\\`\\\\\\\`\\\\\\\`
+\\\`
+\\\`\\\`\\\`
+\`;
+
 =====================================output=====================================
 md\`
-~~~js
+~~~~js
 markdown\\\`
   ~~~js
   console.log("hi");
   ~~~
 \\\`;
-~~~
+~~~~
+\`;
+
+md\`
+~~~~js
+markdown\\\`
+  ~~~js
+  console.log("hi");
+  ~~~
+\\\`;
+~~~~
 \`;
 
 ================================================================================

tests/format/js/multiparser-markdown/codeblock.js

@@ -7,3 +7,13 @@ markdown\`
 \`
 \`\`\`
 `;
+
+md`
+\`\`\`js
+markdown\`
+    \\\`\\\`\\\`\\\`js
+    console.log('hi');
+    \\\`\\\`\\\`\\\`
+\`
+\`\`\`
+`;