[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/doNotTriggerInit.kt

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND: WASM
+// IGNORE_BACKEND_K1: WASM
 // IGNORE_BACKEND_K1: JS_IR, JS_IR_ES6
 var initialized = 0