[Wasm] Update testData after adding K2 and new test infra support.

- Actualize muted K2 tests
- Actualize muted K1 tests with module systems because legacy Wasm test
  infra had no respect for "// MODULE: ..." test directives

compiler/testData/codegen/box/constants/kt9532.kt

@@ -1,3 +1,5 @@
+// IGNORE_BACKEND_K2: WASM
+
 object A {
     const val a: String = "$"
     const val b = "1234$a"