[ObjCExport][Minor] Move 'isBinaryRepresentationNullable' utility to bottom of translateToObjCType.kt

^KT-65167

native/objcexport-header-generator/impl/analysis-api/src/org/jetbrains/kotlin/objcexport/translateToObjCType.kt

@@ -46,21 +46,6 @@ internal fun KtType.translateToObjCType(typeBridge: TypeBridge): ObjCType {
     }
 }
 
-context(KtAnalysisSession)
-private fun KtType.isBinaryRepresentationNullable(): Boolean {
-    /* Convention to match K1 implementation */
-    if (this is KtErrorType) return false
-
-    if (fullyExpandedType.canBeNull) return true
-
-    getInlineTargetTypeOrNull()?.let { inlineTargetType ->
-        if (inlineTargetType.canBeNull) return true
-    }
-
-    return false
-}
-
-
 /**
  * [org.jetbrains.kotlin.backend.konan.objcexport.ObjCExportTranslatorImpl.mapReferenceType]
  */
@@ -179,6 +164,21 @@ private fun ObjCNonNullReferenceType.withNullabilityOf(kotlinType: KtType): ObjC
     }
 }
 
+context(KtAnalysisSession)
+private fun KtType.isBinaryRepresentationNullable(): Boolean {
+    /* Convention to match K1 implementation */
+    if (this is KtErrorType) return false
+
+    if (fullyExpandedType.canBeNull) return true
+
+    getInlineTargetTypeOrNull()?.let { inlineTargetType ->
+        if (inlineTargetType.canBeNull) return true
+    }
+
+    return false
+}
+
+
 /**
  * Types to be "hidden" during mapping, i.e. represented as `id`.
  *