FIR resolve: check early receivers on kotlin.* only

To provide more stable behaviour, the check introduced in the previous
commit is now applied only to extensions from kotlin.* package.

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

@@ -503,6 +503,10 @@ class ExplicitReceiverTowerDataConsumer<T : ConeSymbol>(
     val candidateFactory: CandidateFactory
 ) : TowerDataConsumer() {
 
+    companion object {
+        val defaultPackage = Name.identifier("kotlin")
+    }
+
 
     override fun consume(
         kind: TowerDataKind,
@@ -548,9 +552,11 @@ class ExplicitReceiverTowerDataConsumer<T : ConeSymbol>(
                             dispatchReceiverValue: ClassDispatchReceiverValue?,
                             implicitExtensionReceiverValue: ImplicitReceiverValue?
                         ): ProcessorAction {
+                            if (symbol is FirFunctionSymbol && symbol.callableId.packageName.startsWith(defaultPackage)) {
                                 val explicitReceiverType = explicitReceiver.type
                                 if (dispatchReceiverValue == null && explicitReceiverType is ConeClassType) {
-                                val declarationReceiverTypeRef = (symbol as? FirCallableSymbol)?.fir?.receiverTypeRef as? FirResolvedTypeRef
+                                    val declarationReceiverTypeRef =
+                                        (symbol as? FirCallableSymbol)?.fir?.receiverTypeRef as? FirResolvedTypeRef
                                     val declarationReceiverType = declarationReceiverTypeRef?.type
                                     if (declarationReceiverType is ConeClassType) {
                                         if (!AbstractTypeChecker.isSubtypeOf(
@@ -566,6 +572,7 @@ class ExplicitReceiverTowerDataConsumer<T : ConeSymbol>(
                                         }
                                     }
                                 }
+                            }
                             val candidate = candidateFactory.createCandidate(
                                 symbol,
                                 dispatchReceiverValue,

compiler/testData/ir/irText/expressions/typeArguments.fir.txt

@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/typeArguments.kt
           BRANCH
             if: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=kotlin.Array<*>
               GET_VAR 'x: kotlin.Any declared in <root>.test1' type=kotlin.Any origin=null
-            then: ERROR_CALL 'Unresolved reference: <Inapplicable(WRONG_RECEIVER): [kotlin/jvm/isArrayOf]>#' type=IrErrorType
+            then: ERROR_CALL 'Unresolved reference: <Unresolved name: isArrayOf>#' type=IrErrorType
           BRANCH
             if: CONST Boolean type=kotlin.Boolean value=true
             then: CONST Boolean type=kotlin.Boolean value=false