Only named parameters in completion when nothing else can be

idea/testData/completion/basic/common/namedParameters/NotOnlyNamedParameters.kt

@@ -0,0 +1,9 @@
+fun foo(first: Int, second: Int, third: String) {
+}
+
+fun test(p: Int) = foo(12, <caret>, third = "")
+
+// EXIST: p
+// ABSENT: first
+// ABSENT: third
+// EXIST: second

idea/testData/completion/basic/common/namedParameters/OnlyNamedParameters.kt

@@ -0,0 +1,9 @@
+fun foo(first: Int, second: Int, third: String) {
+}
+
+fun test(p: Int) = foo(12, third = "", <caret>)
+
+// ABSENT: p
+// ABSENT: first
+// ABSENT: third
+// EXIST: second