Rename CharacterReplacement back to CharItem

Since the class is public renaming this would be a breaking change, since if anyone is directly referring to the class it would break

src/Umbraco.Core/Configuration/Models/RequestHandlerSettings.cs

@@ -19,7 +19,7 @@ namespace Umbraco.Cms.Core.Configuration.Models
         internal const string StaticConvertUrlsToAscii = "try";
         internal const bool StaticEnableDefaultCharReplacements = true;
 
-        internal static readonly CharacterReplacement[] DefaultCharCollection =
+        internal static readonly CharItem[] DefaultCharCollection =
         {
             new () { Char = " ", Replacement = "-" },
             new () { Char = "\"", Replacement = string.Empty },
@@ -78,13 +78,13 @@ namespace Umbraco.Cms.Core.Configuration.Models
         /// <summary>
         /// Add additional character replacements, or override defaults
         /// </summary>
-        public CharacterReplacement[] CharCollection { get; set; }
+        public CharItem[] CharCollection { get; set; }
 
         /// <summary>
         /// Get concatenated user and default character replacements
         /// taking into account <see cref="EnableDefaultCharReplacements"/>
         /// </summary>
-        public IEnumerable<CharacterReplacement> GetCharReplacements()
+        public IEnumerable<CharItem> GetCharReplacements()
         {
             // TODO We need to special handle ":", as this character is special in keys