fix: avoid crash after upgrade on Linux (#42065)

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: cptpcrd <[email protected]>

shell/browser/electron_browser_client.cc

@@ -455,7 +455,15 @@ void ElectronBrowserClient::AppendExtraCommandLineSwitches(
     base::CommandLine* command_line,
     int process_id) {
   // Make sure we're about to launch a known executable
+#if BUILDFLAG(IS_LINUX)
+  // On Linux, do not perform this check for /proc/self/exe. It will always
+  // point to the currently running executable so this check is not
+  // necessary, and if the executable has been deleted it will return a fake
+  // name that causes this check to fail.
+  if (command_line->GetProgram() != base::FilePath(base::kProcSelfExe)) {
+#else
   {
+#endif
     ScopedAllowBlockingForElectron allow_blocking;
     base::FilePath child_path;
     base::FilePath program =