Do not fail when delegating to an (unsupported) dynamic type on the JVM

compiler/testData/diagnostics/testsWithJsStdLib/dynamicTypes/delegationBy.kt

@@ -0,0 +1,5 @@
+trait Tr {
+    fun foo()
+}
+
+class C(d: dynamic) : Tr by d

compiler/testData/diagnostics/testsWithJsStdLib/dynamicTypes/delegationBy.txt

@@ -0,0 +1,16 @@
+package
+
+internal final class C : Tr {
+    public constructor C(/*0*/ d: dynamic)
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    internal open override /*1*/ /*delegation*/ fun foo(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+internal trait Tr {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    internal abstract fun foo(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}