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/resolveWithStdlib/j+k/FlexiblePrimitiveOverloading.fir.txt

@@ -1,4 +1,4 @@
 FILE: FlexiblePrimitiveOverloading.kt
     public final fun foo(): R|kotlin/Unit| {
-        Q|java/lang/Integer|.R|java/lang/Integer.getInteger|(String(text), Int(239))
+        Q|java/lang/Integer|.R|java/lang/Integer.getInteger*s|(String(text), Int(239))
     }