set default/cancel ids

Author: sawka

emain/emain-window.ts

@@ -737,6 +737,8 @@ ipcMain.handle("close-tab", async (event, workspaceId, tabId, confirmClose) => {
     if (confirmClose) {
         const choice = dialog.showMessageBoxSync(ww, {
             type: "question",
+            defaultId: 1, // Enter activates "Close Tab"
+            cancelId: 0, // Esc activates "Cancel"
             buttons: ["Cancel", "Close Tab"],
             title: "Confirm",
             message: "Are you sure you want to close this tab?",