K2: render additionally *s for static references

This commit allows to distinguish static VS non-static things
inside FIR_DUMP, e.g. static synthetic Enum.entries with
enum entry Enum.entries

compiler/fir/analysis-tests/testData/resolve/visibleVsInvisibleQualifier.fir.txt

@@ -2,5 +2,5 @@ FILE: test.kt
     package test
 
     public final fun test(): R|kotlin/Unit| {
-        Q|first/Some|.R|first/Some.foo|()
+        Q|first/Some|.R|first/Some.foo*s|()
     }