[FIR/IR generator] Rename field's needAcceptAndTransform to isChild

This better describes the semantics.

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt

@@ -68,7 +68,7 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             }
 
             default("delegate") {
-                needAcceptAndTransform = false
+                isChild = false
             }
         }
 
@@ -88,14 +88,14 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
         impl(annotationCall) {
             commonAnnotationConfig()
             default("argumentMapping") {
-                needAcceptAndTransform = false
+                isChild = false
             }
         }
 
         impl(errorAnnotationCall) {
             commonAnnotationConfig()
             default("argumentMapping") {
-                needAcceptAndTransform = false
+                isChild = false
             }
             default("annotationResolvePhase") {
                 value = "FirAnnotationResolvePhase.Types"
@@ -513,7 +513,7 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
         impl(resolvedTypeRef) {
             publicImplementation()
             default("delegatedTypeRef") {
-                needAcceptAndTransform = false
+                isChild = false
             }
         }
 

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/model/Field.kt

@@ -127,7 +127,7 @@ class FieldWithDefault(override val origin: Field) : Field(), AbstractFieldWithD
             it.isMutable = isMutable
             it.withGetter = withGetter
             it.fromDelegate = fromDelegate
-            it.needAcceptAndTransform = needAcceptAndTransform
+            it.isChild = isChild
         }
     }
 }