fix: don't wait for process completion when clicking links

Do not wait for processes to exit when executing commands.
Otherwise pacseek will freeze if the browser is not yet running.

Signed-off-by: moson-mo <mo-son@mailbox.org>

Author: moson-mo

internal/pacseek/display.go

@@ -256,7 +256,7 @@ func (ps *UI) displayHelp() {
 			Color:           tcell.ColorWhite,
 			BackgroundColor: tcell.ColorBlack,
 			Clicked: func() bool {
-				exec.Command("xdg-open", "https://github.com/moson-mo/pacseek/wiki/Usage").Run()
+				exec.Command("xdg-open", "https://github.com/moson-mo/pacseek/wiki/Usage").Start()
 				return true
 			},
 		})

internal/pacseek/draw.go

@@ -270,7 +270,7 @@ func (ps *UI) drawPackageInfo(i InfoRecord, width int) {
 				}
 				if strings.Contains(k, "URL") {
 					cell.SetClickedFunc(func() bool {
-						exec.Command("xdg-open", v).Run()
+						exec.Command("xdg-open", v).Start()
 						return true
 					})
 				}
@@ -382,7 +382,7 @@ func (ps *UI) drawNews() {
 				ps.tableNews.SetCell(r, 0, &tview.TableCell{
 					Text: "[white:black:]* [::u]" + item.Title,
 					Clicked: func() bool {
-						exec.Command("xdg-open", item.Link).Run()
+						exec.Command("xdg-open", item.Link).Start()
 						return true
 					},
 				}).

internal/pacseek/setup.go

@@ -275,7 +275,7 @@ func (ps *UI) setupKeyBindings() {
 
 		// CTRL+O - Open URL for selected package
 		if event.Key() == tcell.KeyCtrlO && ps.selectedPackage != nil {
-			exec.Command("xdg-open", ps.selectedPackage.URL).Run()
+			exec.Command("xdg-open", ps.selectedPackage.URL).Start()
 			return nil
 		}