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/basic/common/namedArguments/NotOnlyNamedArguments2.kt

@@ -4,6 +4,6 @@ fun foo(first: Int, second: Int, third: String) {
 fun test(p: Int) = foo(<caret>second = 3)
 
 // EXIST: p
-// EXIST: first
-// EXIST: second
-// EXIST: third
+// EXIST: "first ="
+// EXIST: "second ="
+// EXIST: "third ="