FIR resolve: add partial support of extension lambda calls

Here we introduce ONLY_IMPLICIT_RECEIVER tower level
to support extension lambda calls on local variables,
and soften extension receiver checks to make such extensions visible & applicable.
Also here we try to map arguments twice for functional types

compiler/testData/diagnostics/tests/extensions/variableInvoke.fir.kt

@@ -1,11 +1,11 @@
 class A(foo: Int.() -> Unit) {
     init {
-        4.<!UNRESOLVED_REFERENCE!>foo<!>()
+        4.foo()
     }
 }
 
 fun test(foo: Int.(String) -> Unit) {
-    4.<!UNRESOLVED_REFERENCE!>foo<!>("")
-    4.<!UNRESOLVED_REFERENCE!>foo<!>(p1 = "")
-    4.<!UNRESOLVED_REFERENCE!>foo<!>(p2 = "")
+    4.foo("")
+    4.<!INAPPLICABLE_CANDIDATE!>foo<!>(p1 = "")
+    4.foo(p2 = "")
 }