ConvertLambdaToReference refactoring

Intention is not registered now; inspection is enabled by default now,
 but has highlight level of "No highlighting"
Inspection does not depend on text length now

So #KT-14335 Fixed

idea/testData/inspections/convertLambdaToReference/test.kt

@@ -4,7 +4,7 @@
 class TheirWrapper(val x: Int)
 val x = { y: Int -> TheirWrapper(y) }
 
-// Should not suggest to convert (too long reference)
+// Should suggest to convert despite of too long reference
 fun foo(arg: TheirWrapper, convert: (TheirWrapper) -> String) = convert(arg)
 val y = foo(TheirWrapper(42)) { it.toString() }