[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/operatorConventions/kt39880.kt

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND_K2: JVM_IR, JS_IR, NATIVE
+// IGNORE_BACKEND_K2: JVM_IR, JS_IR, NATIVE, WASM
 // FIR status: Disabling of StrictOnlyInputTypesChecks is not supported by FIR
 // WITH_STDLIB
 // !LANGUAGE: -StrictOnlyInputTypesChecks

compiler/testData/codegen/box/operatorConventions/kt42722.kt

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND_K2: JVM_IR, JS_IR, NATIVE
+// IGNORE_BACKEND_K2: JVM_IR, JS_IR, NATIVE, WASM
 // FIR status: Disabling of StrictOnlyInputTypesChecks is not supported by FIR
 // WITH_STDLIB
 // !LANGUAGE: -StrictOnlyInputTypesChecks

compiler/testData/codegen/box/operatorConventions/suspendOperators.kt

@@ -1,7 +1,6 @@
 // WITH_STDLIB
 // WITH_COROUTINES
 // IGNORE_BACKEND_K1: ANY
-// IGNORE_BACKEND: WASM
 
 import kotlin.coroutines.*
 import kotlin.coroutines.intrinsics.*