Completion of lambda parameters

Also changed policy for sorting of smart completion items in basic completion

 #KT-16800 Fixed
 #KT-12002 Fixed

idea/idea-completion/testData/weighers/smart/CallableReference_NothingLast.kt

@@ -8,5 +8,6 @@ fun f() {
 }
 
 // ORDER: {...}
-// ORDER: { Int -> ... }
+// ORDER: { i -> ... }
+// ORDER: { i: Int -> ... }
 // ORDER: ::fff2

idea/idea-completion/testData/weighers/smart/FunctionExpected.kt

@@ -10,7 +10,8 @@ fun bar(p: (String) -> Boolean) {
 // ORDER: ::doFilter
 // ORDER: p
 // ORDER: {...}
-// ORDER: { String -> ... }
+// ORDER: { s -> ... }
+// ORDER: { s: String -> ... }
 // ORDER: ::x
 // ORDER: ::TODO
 // ORDER: ::error