[FIR] Qualifier resolve

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/JavaScopeProvider.kt

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.fir.java
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.declarations.FirClass
 import org.jetbrains.kotlin.fir.declarations.FirRegularClass
+import org.jetbrains.kotlin.fir.declarations.classId
 import org.jetbrains.kotlin.fir.java.declarations.FirJavaClass
 import org.jetbrains.kotlin.fir.java.scopes.JavaClassEnhancementScope
 import org.jetbrains.kotlin.fir.java.scopes.JavaClassUseSiteMemberScope
@@ -111,7 +112,15 @@ class JavaScopeProvider(
                 )
             )
         }
-        return FirStaticScope(enhancementScope)
+        return FirOnlyCallablesScope(FirStaticScope(enhancementScope))
+    }
+
+    override fun getNestedClassifierScope(klass: FirClass<*>, useSiteSession: FirSession, scopeSession: ScopeSession): FirScope? {
+        return lazyNestedClassifierScope(
+            klass.classId,
+            (klass as FirJavaClass).existingNestedClassifierNames,
+            useSiteSession.firSymbolProvider
+        )
     }
 }
 

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/JavaSymbolProvider.kt

@@ -227,7 +227,7 @@ class JavaSymbolProvider(
                             symbol = constructorSymbol
                             this.visibility = visibility
                             this.isPrimary = isPrimary
-                            isInner = !javaClass.isStatic
+                            isInner = javaClass.outerClass != null && !javaClass.isStatic
                             returnTypeRef = buildResolvedTypeRef {
                                 type = firSymbol.constructType(
                                     classTypeParameters.map { ConeTypeParameterTypeImpl(it.symbol.toLookupTag(), false) }.toTypedArray(),