refactor: use Environment.ProcessPath instead of Process.GetCurrentProcess().MainModule!.FileName

Co-authored-by: heartacker <1876302+heartacker@users.noreply.github.com>
Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Commands/Command.cs

@@ -172,7 +172,7 @@ protected ProcessStartInfo CreateGitStartInfo(bool redirect)
             }
 
             // Force using this app as SSH askpass program
-            var selfExecFile = Process.GetCurrentProcess().MainModule!.FileName;
+            var selfExecFile = Environment.ProcessPath;
             start.Environment.Add("SSH_ASKPASS", selfExecFile); // Can not use parameter here, because it invoked by SSH with `exec`
             start.Environment.Add("SSH_ASKPASS_REQUIRE", "prefer");
             start.Environment.Add("SOURCEGIT_LAUNCH_AS_ASKPASS", "TRUE");

src/Native/Windows.cs

@@ -75,7 +75,7 @@ public void ShowAllApplications()
 
         public string GetDataDir()
         {
-            var execFile = Process.GetCurrentProcess().MainModule!.FileName;
+            var execFile = Environment.ProcessPath;
             var portableDir = Path.Combine(Path.GetDirectoryName(execFile)!, "data");
             if (Directory.Exists(portableDir))
                 return portableDir;

src/Views/ConfirmRestart.axaml.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Diagnostics;
 
 using Avalonia.Interactivity;
@@ -13,7 +14,7 @@ public ConfirmRestart()
 
         private void Restart(object _1, RoutedEventArgs _2)
         {
-            var selfExecFile = Process.GetCurrentProcess().MainModule!.FileName;
+            var selfExecFile = Environment.ProcessPath;
             Process.Start(selfExecFile);
             App.Quit(-1);
         }