[Awake]Reset Awake mode to "Keep using the selected power plan" (#31402)

* [Awake] Reset Awake mode to "Keep using the selected power plan"

* [Awake] Remove duplicated code.

* [Awake] Set passive even there is an issue in settings file.

* [Awake] Remove unnecessary code

src/modules/awake/Awake/Core/Manager.cs

@@ -10,11 +10,13 @@ using System.Globalization;
 using System.IO;
 using System.Reactive.Linq;
 using System.Text;
+using System.Text.Json;
 using System.Threading;
 using Awake.Core.Models;
 using Awake.Core.Native;
 using Awake.Properties;
 using ManagedCommon;
+using Microsoft.PowerToys.Settings.UI.Library;
 using Microsoft.PowerToys.Telemetry;
 using Microsoft.Win32;
 
@@ -153,6 +155,8 @@ namespace Awake.Core
                 {
                     Logger.LogInfo($"Completed expirable keep-awake.");
                     CancelExistingThread();
+
+                    SetPassiveKeepAwakeMode(Constants.AppName);
                 },
                 _tokenSource.Token);
             }
@@ -179,6 +183,8 @@ namespace Awake.Core
             {
                 Logger.LogInfo($"Completed timed thread.");
                 CancelExistingThread();
+
+                SetPassiveKeepAwakeMode(Constants.AppName);
             },
             _tokenSource.Token);
         }
@@ -285,5 +291,22 @@ namespace Awake.Core
             };
             return optionsList;
         }
+
+        public static void SetPassiveKeepAwakeMode(string moduleName)
+        {
+            try
+            {
+                SettingsUtils settingsUtils = new SettingsUtils();
+                AwakeSettings settings = new AwakeSettings();
+
+                settings.Properties.Mode = AwakeMode.PASSIVE;
+                settingsUtils.SaveSettings(JsonSerializer.Serialize(settings), moduleName);
+            }
+            catch (Exception ex)
+            {
+                string? errorString = $"Failed to reset Awake mode: {ex.Message}";
+                Logger.LogError(errorString);
+            }
+        }
     }
 }

src/modules/awake/Awake/Core/TrayMessageFilter.cs

@@ -117,20 +117,7 @@ namespace Awake.Core
 
         private static void PassiveKeepAwakeCommandHandler(string moduleName)
         {
-            AwakeSettings currentSettings;
-
-            try
-            {
-                currentSettings = ModuleSettings!.GetSettings<AwakeSettings>(moduleName);
-            }
-            catch (FileNotFoundException)
-            {
-                currentSettings = new AwakeSettings();
-            }
-
-            currentSettings.Properties.Mode = AwakeMode.PASSIVE;
-
-            ModuleSettings!.SaveSettings(JsonSerializer.Serialize(currentSettings), moduleName);
+            Manager.SetPassiveKeepAwakeMode(moduleName);
         }
 
         private static void IndefiniteKeepAwakeCommandHandler(string moduleName)

src/settings-ui/Settings.UI.Library/AwakeProperties.cs

@@ -15,7 +15,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
             KeepDisplayOn = false;
             Mode = AwakeMode.PASSIVE;
             IntervalHours = 0;
-            IntervalMinutes = 0;
+            IntervalMinutes = 1;
             ExpirationDateTime = DateTimeOffset.Now;
             CustomTrayTimes = new Dictionary<string, int>();
         }