FIR: Fix label/receiver for lambda within infix calls

While this fix only changes label name, it's important for proper
lambda resolution because receiver is set for a lambda
only in presence of a label

This commit fixes a lot of checkType calls in diagnostic tests

compiler/visualizer/tests/org/jetbrains/kotlin/visualizer/fir/FirVisualizerForRawFirDataGenerated.java

@@ -248,6 +248,11 @@ public class FirVisualizerForRawFirDataGenerated extends AbstractFirVisualizer {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/init.kt");
         }
 
+        @TestMetadata("labelForInfix.kt")
+        public void testLabelForInfix() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/labelForInfix.kt");
+        }
+
         @TestMetadata("lambda.kt")
         public void testLambda() throws Exception {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.kt");

compiler/visualizer/tests/org/jetbrains/kotlin/visualizer/psi/PsiVisualizerForRawFirDataGenerated.java

@@ -248,6 +248,11 @@ public class PsiVisualizerForRawFirDataGenerated extends AbstractPsiVisualizer {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/init.kt");
         }
 
+        @TestMetadata("labelForInfix.kt")
+        public void testLabelForInfix() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/labelForInfix.kt");
+        }
+
         @TestMetadata("lambda.kt")
         public void testLambda() throws Exception {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.kt");