Call toast on copy success

Author: kyu08

pkg/gui/controllers/confirmation_controller.go

@@ -31,7 +31,12 @@ func (self *ConfirmationController) GetKeybindings(opts types.KeybindingsOpts) [
 			Handler: func() error {
 				confirmationView := self.c.Views().Confirmation
 				text := confirmationView.Buffer()
-				return self.c.OS().CopyToClipboard(text)
+				if err := self.c.OS().CopyToClipboard(text); err != nil {
+					return err
+				}
+
+				self.c.Toast(fmt.Sprintf("content %s", self.c.Tr.CopiedToClipboard))
+				return nil
 			},
 			Description:     self.c.Tr.CopyToClipboardMenu,
 			DisplayOnScreen: true,