FIR IDE: Small fixes

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/KtFirAnalysisSessionProvider.kt

@@ -26,7 +26,6 @@ class KtFirAnalysisSessionProvider(project: Project) : CachingKtAnalysisSessionP
     override fun getResolveState(contextSymbol: KtSymbol): LLFirModuleResolveState {
         return when (contextSymbol) {
             is KtFirSymbol<*> -> contextSymbol.resolveState
-            is KtFirBackingFieldSymbol -> contextSymbol.resolveState
             else -> error("Invalid symbol ${contextSymbol::class}")
         }
     }

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/file/structure/FileStructureElement.kt

@@ -43,7 +43,7 @@ internal class KtToFirMapping(firElement: FirElement, recorder: FirElementsRecor
 
         val userType = when (ktElement) {
             is KtUserType -> ktElement
-            is KtNameReferenceExpression -> ktElement as? KtUserType
+            is KtNameReferenceExpression -> ktElement.parent as? KtUserType
             else -> null
         } ?: return null