fix unnecessary config reload on save

MareSynchronos/MareConfiguration/ConfigurationSaveService.cs

@@ -113,6 +113,7 @@ public class ConfigurationSaveService : IHostedService
                 WriteIndented = true
             })).ConfigureAwait(false);
             File.Move(temp, config.ConfigurationPath, true);
+            config.UpdateLastWriteTime();
         }
         catch (Exception ex)
         {

MareSynchronos/MareConfiguration/ConfigurationServiceBase.cs

@@ -37,6 +37,11 @@ public abstract class ConfigurationServiceBase<T> : IConfigService<T> where T :
         ConfigSave?.Invoke(this, EventArgs.Empty);
     }
 
+    public void UpdateLastWriteTime()
+    {
+        _configLastWriteTime = GetConfigLastWriteTime();
+    }
+
     protected virtual void Dispose(bool disposing)
     {
         if (!disposing || _disposed) return;

MareSynchronos/MareConfiguration/IConfigService.cs

@@ -8,4 +8,5 @@ public interface IConfigService<out T> : IDisposable where T : IMareConfiguratio
     string ConfigurationName { get; }
     string ConfigurationPath { get; }
     public event EventHandler? ConfigSave;
+    void UpdateLastWriteTime();
 }