[FIR] Fix mutant extension function types

Consider the following example from
`extensionLambdasAndArrow.kt`:

```
val x4: String.() -> String = if (true) {
    { str: String -> "this" }
} else {
    { str: String -> "this" }
}
```

Because of
`coerceFirstParameterToExtensionReceiver`
the given lambdas must be of the type
`String.() -> String`, but because of a bug
they are `String.(String) -> String`. At the
same time, during inference their expected
types are, indeed, calculated correctly as
`String.() -> String`.

^KT-59394 Declined
(no more compiler crashes, #potential-feature)

compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -15377,6 +15377,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/fir/emptyIntersectionWarning.kt");
         }
 
+        @TestMetadata("selectingLambdas.kt")
+        public void ignoreSelectingLambdas() throws Exception {
+            runTest("compiler/testData/codegen/box/fir/selectingLambdas.kt");
+        }
+
         @TestMetadata("typeParameterInClashingAccessor.kt")
         public void ignoreTypeParameterInClashingAccessor() throws Exception {
             runTest("compiler/testData/codegen/box/fir/typeParameterInClashingAccessor.kt");