fix(quick-create): remove duplicate keyboard shortcut on agent submit button

The agent submit button rendered the shortcut hint twice — the i18n
string already contained '(⌘↵)' and the JSX appended another
formatShortcut() suffix. Drop the hardcoded shortcut from the
translations and rely on the platform-aware formatShortcut() in JSX.

Co-authored-by: multica-agent <github@multica.ai>

packages/views/locales/en/modals.json

@@ -121,7 +121,7 @@
       "version_missing": "This agent's daemon doesn't report a CLI version. Create with agent needs multica CLI ≥ {{min}}. Upgrade the daemon and reconnect, or switch to manual create.",
       "version_below": "This agent's daemon CLI is {{current}} — Create with agent needs ≥ {{min}}. Upgrade the daemon, or switch to manual create.",
       "prompt_placeholder": "Tell the agent what to do, e.g. \"let Bohan fix the inbox loading slowness in the Web project\"",
-      "submit": "Create (⌘↵)",
+      "submit": "Create",
       "sending": "Sending…",
       "uploading": "Uploading…",
       "sent_label": "Sent",

packages/views/locales/zh-Hans/modals.json

@@ -121,7 +121,7 @@
       "version_missing": "该智能体的 daemon 没有报告 CLI 版本。通过智能体创建需要 multica CLI ≥ {{min}}。请升级 daemon 并重连，或切换到手动创建。",
       "version_below": "该智能体的 daemon CLI 是 {{current}}——通过智能体创建需要 ≥ {{min}}。请升级 daemon，或切换到手动创建。",
       "prompt_placeholder": "告诉智能体要做什么，例如：\"让 Bohan 修一下 Web 项目里收件箱加载慢的问题\"",
-      "submit": "创建（⌘↵）",
+      "submit": "创建",
       "sending": "发送中...",
       "uploading": "上传中...",
       "sent_label": "已发送",