[FIR2IR] Correctly generate delegating constructor call for secondary constructors in enums

^KT-56927 Fxied

compiler/testData/codegen/box/enum/defaultCtor/noPrimaryConstructor.kt

@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2: JS_IR, NATIVE
-
 enum class Test {
     A(0),
     B;
@@ -14,4 +12,4 @@ fun box(): String =
     if (Test.A.n == Test.B.n)
         "OK"
     else
-        "Fail"
+        "Fail"

compiler/testData/codegen/box/enum/defaultCtor/secondaryConstructorWithDefaultArguments.kt

@@ -1,8 +1,7 @@
-// IGNORE_BACKEND_K2: JS_IR, NATIVE
 enum class Test(val x: Int, val str: String) {
     OK;
     constructor(x: Int = 0) : this(x, "OK")
 }
 
 fun box(): String =
-        Test.OK.str
+        Test.OK.str

compiler/testData/codegen/box/enum/defaultCtor/secondaryConstructorWithVararg.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_K2: JS_IR, NATIVE
 enum class Test(val x: Int, val str: String) {
     OK;
     constructor(vararg xs: Int) : this(xs.size + 42, "OK")
@@ -8,4 +7,4 @@ fun box(): String =
         if (Test.OK.x == 42)
             Test.OK.str
         else
-            "Fail"
+            "Fail"

compiler/testData/codegen/box/enum/emptyConstructor.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_K2: JS_IR, NATIVE
 package test
 
 enum class My(val s: String) {