Fix error type for implicit invoke with function literal argument

#KT-11401 Fixed

compiler/testData/diagnostics/tests/inference/implicitInvokeInObjectWithFunctionalArgument.txt

@@ -0,0 +1,11 @@
+package
+
+public fun test(/*0*/ s: kotlin.String): kotlin.String
+
+public object TestClass {
+    private constructor TestClass()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final operator inline fun </*0*/ T> invoke(/*0*/ task: () -> T): T
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}