Improve code comments & code quality

Author: Jack251970

Diff for: Flow.Launcher.Core/ExternalPlugins/Environments/PythonEnvironment.cs

@@ -39,7 +39,7 @@ internal override void InstallEnvironment()
 
             // Python 3.11.4 is no longer Windows 7 compatible. If user is on Win 7 and
             // uses Python plugin they need to custom install and use v3.8.9
-            JTF.Run(async () => await DroplexPackage.Drop(App.python_3_11_4_embeddable, InstallPath));
+            JTF.Run(() => DroplexPackage.Drop(App.python_3_11_4_embeddable, InstallPath));
 
             PluginsSettingsFilePath = ExecutablePath;
         }

Diff for: Flow.Launcher.Core/ExternalPlugins/Environments/TypeScriptEnvironment.cs

@@ -34,7 +34,7 @@ internal override void InstallEnvironment()
         {
             FilesFolders.RemoveFolderIfExists(InstallPath, (s) => API.ShowMsgBox(s));
 
-            JTF.Run(async () => await DroplexPackage.Drop(App.nodejs_16_18_0, InstallPath));
+            JTF.Run(() => DroplexPackage.Drop(App.nodejs_16_18_0, InstallPath));
 
             PluginsSettingsFilePath = ExecutablePath;
         }

Diff for: Flow.Launcher.Core/ExternalPlugins/Environments/TypeScriptV2Environment.cs

@@ -34,7 +34,7 @@ internal override void InstallEnvironment()
         {
             FilesFolders.RemoveFolderIfExists(InstallPath, (s) => API.ShowMsgBox(s));
 
-            JTF.Run(async () => await DroplexPackage.Drop(App.nodejs_16_18_0, InstallPath));
+            JTF.Run(() => DroplexPackage.Drop(App.nodejs_16_18_0, InstallPath));
 
             PluginsSettingsFilePath = ExecutablePath;
         }

Diff for: Flow.Launcher/App.xaml.cs

@@ -289,7 +289,7 @@ private static void RegisterAppDomainExceptions()
         }
 
         /// <summary>
-        /// exception will not be thrown normally, so we need to register event
+        /// let exception throw as normal for Debug and Release
         /// </summary>
         private static void RegisterTaskSchedulerUnhandledException()
         {

Diff for: Flow.Launcher/ViewModel/MainViewModel.cs

@@ -1347,7 +1347,7 @@ private Query ConstructQuery(string queryText, IEnumerable<CustomShortcutModel>
                     }
                     else if (shortcut is AsyncBuiltinShortcutModel asyncShortcut)
                     {
-                        expansion = App.JTF.Run(async () => await asyncShortcut.ExpandAsync());
+                        expansion = App.JTF.Run(() => asyncShortcut.ExpandAsync());
                     }
                     else
                     {