Improve inference on generics for callable references

#KT-10711 Fixed
 #KT-12802 Fixed
 #KT-12964 Fixed
 #KT-15439 Fixed

Analyze callable references in `dependent` mode, then complete them with
respect to expected types

compiler/testData/diagnostics/tests/callableReference/generic/nestedCallWithOverload.txt

@@ -0,0 +1,7 @@
+package
+
+public fun </*0*/ T> baz(/*0*/ x: T, /*1*/ y: T): T
+public fun foo(/*0*/ i: kotlin.Int): kotlin.Unit
+public fun foo(/*0*/ s: kotlin.String): kotlin.Unit
+public fun </*0*/ T> id(/*0*/ x: T): T
+public fun test(): kotlin.Unit