K2: make qualifier & classifier the same tower level

#KT-65789 Fixed
#KT-38031 Fixed

compiler/fir/analysis-tests/testData/resolve/problems/javaQualifier.fir.txt

@@ -1,6 +1,6 @@
 FILE: main.kt
     public final fun main(): R|kotlin/Unit| {
-        Q|W|.R|/W.E*s|().R|kotlin/String.length|
+        Q|W|.<Ambiguity: E, [/W.E, /W.E.E]>#().<Unresolved name: length>#
         Q|W.E|.<Unresolved name: length>#
         Q|W.E|.R|/W.E.w*s|
     }