[FIR] KTIJ-24296 Allow special names in symbol provider pre-filtering

- A special name such as `<no name provided>` may not be contained in
  the list of names, but may still be found by a provider.

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/util/LLFirSymbolProviderNameCache.kt

@@ -56,6 +56,7 @@ internal abstract class LLFirSymbolProviderNameCache(private val firSession: Fir
     }
 
     fun mayHaveTopLevelCallable(packageFqName: FqName, name: Name): Boolean {
+        if (name.isSpecial) return true
         val names = getTopLevelCallableNamesInPackage(packageFqName) ?: return true
         return name in names
     }