[FIR] Implement DELEGATION_NOT_TO_INTERFACE

compiler/testData/diagnostics/tests/delegation/DelegationNotTotrait.fir.kt

@@ -2,7 +2,7 @@ open class Foo() {
 
 }
 
-class Barrr() : <!SUPERTYPE_NOT_INITIALIZED!>Foo<!> by Foo() {}
+class Barrr() : <!DELEGATION_NOT_TO_INTERFACE, SUPERTYPE_NOT_INITIALIZED!>Foo<!> by Foo() {}
 
 interface T {}
 
@@ -12,4 +12,4 @@ open enum class EN() {
   A
 }
 
-class Test2(e : EN) : EN by e {}
+class Test2(e : EN) : <!DELEGATION_NOT_TO_INTERFACE!>EN<!> by e {}

compiler/testData/diagnostics/tests/delegation/DelegationToJavaIface.fir.kt

@@ -1,4 +1,4 @@
 // JAVAC_EXPECTED_FILE
 class TestIface(r : Runnable) : Runnable by r {}
 
-class TestObject(o : Object) : <!SUPERTYPE_NOT_INITIALIZED!>Object<!> by o {}
+class TestObject(o : Object) : <!DELEGATION_NOT_TO_INTERFACE, SUPERTYPE_NOT_INITIALIZED!>Object<!> by o {}

compiler/testData/diagnostics/tests/delegation/kt40510.fir.kt

@@ -11,4 +11,4 @@ public abstract class A {
 // FILE: main.kt
 import foo.A
 
-class DelegatedA(val a: A) : <!SUPERTYPE_NOT_INITIALIZED!>A<!> by a
+class DelegatedA(val a: A) : <!DELEGATION_NOT_TO_INTERFACE, SUPERTYPE_NOT_INITIALIZED!>A<!> by a