Contextual typing checks property assignments for type annotation (#43598)

Property assignments can have a type annotation in JS. This PR adds a
check for it in contextual typing.

Fixes #43379

tests/cases/conformance/jsdoc/typeTagOnPropertyAssignment.ts

@@ -0,0 +1,13 @@
+// @noEmit: true
+// @checkJs: true
+// @filename: typeTagOnPropertyAssignment.js
+const o = {
+    /**
+     * @type {"a"}
+     */
+    a: "a",
+    /** @type {() => 'b'} */
+    n: () => 'b'
+};
+o.a
+o.n