FIR: don't get class symbol if it's unnecessary (Java type conversion)

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

@@ -420,8 +420,6 @@ private fun JavaClassifierType.toConeKotlinTypeForFlexibleBound(
                 )
             }
 
-            val classSymbol = session.symbolProvider.getClassLikeSymbolByFqName(classId) as? FirRegularClassSymbol
-
             val mappedTypeArguments = if (isRaw) {
                 val defaultArgs = (1..classifier.typeParameters.size).map { ConeStarProjection }
 
@@ -432,10 +430,14 @@ private fun JavaClassifierType.toConeKotlinTypeForFlexibleBound(
                 } else {
                     val position = if (isLowerBound) TypeComponentPosition.FLEXIBLE_LOWER else TypeComponentPosition.FLEXIBLE_UPPER
 
+                    val classSymbol = session.symbolProvider.getClassLikeSymbolByFqName(classId) as? FirRegularClassSymbol
                     classSymbol?.fir?.createRawArguments(session, defaultArgs, position) ?: defaultArgs
                 }
             } else {
-                val typeParameters = runIf(!forTypeParameterBounds && !isForSupertypes) { classSymbol?.fir?.typeParameters } ?: emptyList()
+                val typeParameters = runIf(!forTypeParameterBounds && !isForSupertypes) {
+                    val classSymbol = session.symbolProvider.getClassLikeSymbolByFqName(classId) as? FirRegularClassSymbol
+                    classSymbol?.fir?.typeParameters
+                } ?: emptyList()
 
                 typeArguments.indices.map { index ->
                     val argument = typeArguments[index]