Make CustomCellInfo values settable again

Author: nicoco007

BeatSaberMarkupLanguage/Components/CustomListTableData.cs

@@ -215,11 +215,11 @@ public CustomCellInfo(string text, string subtext = null, Sprite icon = null)
                 this.Icon = icon;
             }
 
-            public string Text { get; }
+            public string Text { get; set; }
 
-            public string Subtext { get; }
+            public string Subtext { get; set; }
 
-            public Sprite Icon { get; }
+            public Sprite Icon { get; set; }
         }
     }
 }