[FIR] Only take receiver on lambda if present

^KTIJ-25127 fixed

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/components/KtFirCallResolver.kt

@@ -425,7 +425,7 @@ internal class KtFirCallResolver(
                 dispatchReceiverValue =
                     KtExplicitReceiverValue(explicitReceiverPsi, dispatchReceiver.typeRef.coneType.asKtType(), false, token)
                 if (firstArgIsExtensionReceiver) {
-                    extensionReceiverValue = (fir as FirFunctionCall).arguments.first().toKtReceiverValue()
+                    extensionReceiverValue = (fir as FirFunctionCall).arguments.firstOrNull()?.toKtReceiverValue()
                 } else {
                     extensionReceiverValue = extensionReceiver.toKtReceiverValue()
                 }

analysis/low-level-api-fir/testdata/getOrBuildFir/calls/noReceiverOnLambda.kt

@@ -0,0 +1,5 @@
+class SomeTest
+
+fun dslSpeedTest(f2: SomeTest.() -> Unit) {
+    <expr>f2()</expr>
+}

analysis/low-level-api-fir/testdata/getOrBuildFir/calls/noReceiverOnLambda.txt

@@ -0,0 +1,6 @@
+KT element: KtCallExpression
+FIR element: FirImplicitInvokeCallImpl
+FIR source kind: KtRealSourceElementKind
+
+FIR element rendered:
+R|<local>/f2|.R|SubstitutionOverride<kotlin/Function1.invoke: R|kotlin/Unit|><Inapplicable(INAPPLICABLE_ARGUMENTS_MAPPING_ERROR): kotlin/Function1.invoke>#|()

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/OutOfContentRootGetOrBuildFirTestGenerated.java

@@ -359,6 +359,12 @@ public class OutOfContentRootGetOrBuildFirTestGenerated extends AbstractOutOfCon
             runTest("analysis/low-level-api-fir/testdata/getOrBuildFir/calls/invokeCallArgumentList.kt");
         }
 
+        @Test
+        @TestMetadata("noReceiverOnLambda.kt")
+        public void testNoReceiverOnLambda() throws Exception {
+            runTest("analysis/low-level-api-fir/testdata/getOrBuildFir/calls/noReceiverOnLambda.kt");
+        }
+
         @Test
         @TestMetadata("qualifiedCallInsidePropertyInsideConstructor.kt")
         public void testQualifiedCallInsidePropertyInsideConstructor() throws Exception {

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/SourceGetOrBuildFirTestGenerated.java

@@ -359,6 +359,12 @@ public class SourceGetOrBuildFirTestGenerated extends AbstractSourceGetOrBuildFi
             runTest("analysis/low-level-api-fir/testdata/getOrBuildFir/calls/invokeCallArgumentList.kt");
         }
 
+        @Test
+        @TestMetadata("noReceiverOnLambda.kt")
+        public void testNoReceiverOnLambda() throws Exception {
+            runTest("analysis/low-level-api-fir/testdata/getOrBuildFir/calls/noReceiverOnLambda.kt");
+        }
+
         @Test
         @TestMetadata("qualifiedCallInsidePropertyInsideConstructor.kt")
         public void testQualifiedCallInsidePropertyInsideConstructor() throws Exception {