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/javaStaticScopeInheritance.fir.txt

@@ -1,4 +1,4 @@
 FILE: main.kt
     public final fun main(): R|kotlin/Unit| {
-        lval b: R|B!| = Q|B|.R|/B.VALUE|
+        lval b: R|B!| = Q|B|.R|/B.VALUE*s|
     }