refactor: use parenthesis for third level of list in arabic (#513)

Signed-off-by: Pierre-Yves Lapersonne <pierreyves.lapersonne@orange.com>

Author: pylapp

OUDS/Core/Components/Sources/ContentDisplay/BulletList/Internal/Bullet.swift

@@ -192,7 +192,7 @@ struct OrderedBullet: View {
 
     static func levelTwoBullet(for index: UInt8) -> String {
         if OUDSUtils.isArabicLanguageInUse() {
-            OUDSUtils.cyclicArabicLetter(at: index) + "." // NOTE: . won't be leading but trailing, arabic alphabet in use
+            "(" + OUDSUtils.cyclicArabicLetter(at: index) + ")" + "." // NOTE: . won't be leading but trailing, arabic alphabet in use
         } else {
             OUDSUtils.cyclicLatinLetter(at: index, isUppercase: false) + "."
         }

OUDS/Foundations/Sources/OUDSUtils.swift

@@ -66,11 +66,35 @@ public enum OUDSUtils {
     /// - Returns: A letter or group of letters
     public static func cyclicArabicLetter(at index: UInt8) -> String {
         let arabicLetters: [String] = [
-            "ا", "ب", "ت", "ث", "ج", "ح", "خ", "أ",
-            "ذ", "ر", "ز", "س", "ش", "ص", "ض", "ط",
-            "ظ", "ع", "غ", "ف", "ق", "ك", "ل", "م",
-            "ن", "ه", "و", "ي",
-        ] // WARNING: The first symbol "ا" is not good but it seems Xcode does not manage the suitable letter
+            "أ",
+            "ب",
+            "ت",
+            "ث",
+            "ج",
+            "ح",
+            "خ",
+            "د",
+            "ذ",
+            "ر",
+            "ز",
+            "س",
+            "ش",
+            "ص",
+            "ض",
+            "ط",
+            "ظ",
+            "ع",
+            "غ",
+            "ف",
+            "ق",
+            "ك",
+            "ل",
+            "م",
+            "ن",
+            "ه",
+            "و",
+            "ي",
+        ]
 
         let alphabetSize = arabicLetters.count
         var idx = Int(index)