Parser: allow function types as receiver type for function

compiler/testData/psi/functionReceivers/FunctionsWithFunctionReceiversRecovery.kt

@@ -0,0 +1,28 @@
+fun ((T) -> G).foo<P> { }
+fun ((T) -> G).foo { }
+fun ((T) -> G).foo<P>
+fun ((T) -> G).foo = 0
+fun ((T) -> G)?.foo { }
+fun ((T) -> G)??.foo { }
+
+fun ([a] T<T>.(A<B>, C<D, E>) -> ).foo() {}
+fun fun [a] T<T>.(A<B>).foo()
+
+fun [a] (T<T>.(A<B>)).foo()
+fun [a] ((A<B>)-).foo()
+
+fun ((T)->G).foo<T>
+class C<T>.
+
+fun foo<c> {}
+c<t>.
+
+//-----------
+class A<X> {
+    fun foo<Y>() {
+    }
+}
+
+fun bar(a: A<String>) {
+    a.foo<Int>()
+}