report conflicting overloads in functions with same parameters different type parameters

test case:

===
class Aaa() {
    fun f() = 1
    fun <P> f() = 1
}
===

compiler/testData/diagnostics/tests/overload/ConflictingOverloadsIdenticalFunsTPInClass.jet

@@ -0,0 +1,4 @@
+class Aaa() {
+    <!CONFLICTING_OVERLOADS!>fun f()<!> = 1
+    <!CONFLICTING_OVERLOADS!>fun <P> f()<!> = 1
+}