Skip adding entry to history if it matches latest entry

ConsoleImprovements/ConsoleImprovements/manifest.jecs

@@ -1,7 +1,7 @@
 ID: D4VID_ConsoleImprovements
 Name: ConsoleImprovements
 Author: D4VID
-Version: 1.0.0
+Version: 1.1.0
 Priority: 0
 ClientOnly: true
 Dependencies:

ConsoleImprovements/ConsoleImprovements/src/client/CommandHistoryPatch.cs

@@ -83,6 +83,13 @@ namespace ConsoleImprovements.Client {
 
         // ReSharper disable once InconsistentNaming
         public static bool HookCommandSubmit(Console __instance, ref string line) {
+            _command = null; // Clear the command pointer
+
+            // Skip adding the line to the history if it matches the last item
+            if (_history.Count > 0 && line == _history.First!.Value) {
+                return true;
+            }
+
             // Keep the set max number of entries in the history
             if (_history.Count >= HistLength) {
                 _history.RemoveLast();
@@ -90,8 +97,6 @@ namespace ConsoleImprovements.Client {
 
             _history.AddFirst(line);
 
-            _command = null; // Clear the command pointer
-
             return true; // Resume original functionality
         }
     }