fix(ime): pin @xterm/xterm 6.1.0-beta.304 for IME caret follow; sync lockfile root version in predist

package.json

@@ -14,7 +14,7 @@
     "typecheck": "tsc --noEmit -p tsconfig.node.json && tsc --noEmit -p tsconfig.web.json",
     "pretest": "npm run typecheck",
     "test": "node tests/build-bundles.cjs && node tests/ssh-loopback.mjs && node tests/commands-store.mjs && node tests/settings-store.mjs && node tests/lock-store.mjs && node tests/lock-controller.mjs && node tests/lock-shortcuts.mjs && node tests/.hl-split-smoke.cjs && node tests/.hl-rules.cjs && node tests/zmodem-e2e.mjs && node tests/ssh-session-e2e.mjs && node tests/sysinfo-e2e.mjs",
-    "predist": "npm test",
+    "predist": "npm test && npm install --package-lock-only",
     "dist": "electron-vite build && electron-builder --win msi nsis",
     "dist:dir": "electron-vite build && electron-builder --win --dir"
   },
@@ -24,7 +24,7 @@
     "@xterm/addon-search": "^0.16.0",
     "@xterm/addon-serialize": "^0.14.0",
     "@xterm/addon-webgl": "^0.19.0",
-    "@xterm/xterm": "^6.0.0",
+    "@xterm/xterm": "6.1.0-beta.304",
     "antd": "^6.6.2",
     "dockview-react": "^8.2.0",
     "electron-updater": "^6.8.9",