FIR: optimize creation of scope by implicit receiver

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/FirReceivers.kt

@@ -19,6 +19,9 @@ import org.jetbrains.kotlin.fir.types.impl.ConeClassTypeImpl
 
 interface ReceiverValue {
     val type: ConeKotlinType
+
+    fun scope(useSiteSession: FirSession, scopeSession: ScopeSession): FirScope? =
+        type.scope(useSiteSession, scopeSession)
 }
 
 class ClassDispatchReceiverValue(val klassSymbol: FirClassSymbol) : ReceiverValue {
@@ -44,6 +47,8 @@ abstract class ImplicitReceiverValue(
     scopeSession: ScopeSession
 ) : ReceiverValue {
     val implicitScope: FirScope? = type.scope(useSiteSession, scopeSession)
+
+    override fun scope(useSiteSession: FirSession, scopeSession: ScopeSession): FirScope? = implicitScope
 }
 
 class ImplicitDispatchReceiverValue(

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/TowerLevels.kt

@@ -15,7 +15,6 @@ import org.jetbrains.kotlin.fir.declarations.impl.FirResolvedImportImpl
 import org.jetbrains.kotlin.fir.expressions.FirResolvedQualifier
 import org.jetbrains.kotlin.fir.resolve.FirSymbolProvider
 import org.jetbrains.kotlin.fir.resolve.ScopeSession
-import org.jetbrains.kotlin.fir.resolve.scope
 import org.jetbrains.kotlin.fir.resolve.transformers.ReturnTypeCalculatorWithJump
 import org.jetbrains.kotlin.fir.scopes.FirPosition
 import org.jetbrains.kotlin.fir.scopes.FirScope
@@ -101,7 +100,7 @@ class MemberScopeTowerLevel(
     ): ProcessorAction {
         if (implicitExtensionReceiver != null && explicitExtensionReceiver != null) return ProcessorAction.NEXT
         val extensionReceiver = implicitExtensionReceiver ?: explicitExtensionReceiver
-        val scope = dispatchReceiver.type.scope(session, scopeSession) ?: return ProcessorAction.NEXT
+        val scope = dispatchReceiver.scope(session, scopeSession) ?: return ProcessorAction.NEXT
         if (scope.processScopeMembers { candidate ->
                 if (candidate is FirCallableSymbol<*> && candidate.hasConsistentExtensionReceiver(extensionReceiver)) {
                     // NB: we do not check dispatchReceiverValue != null here,