fix: add pty proxy deferred

[winjo]

Types

• [x] 🐛 Bug Fixes

Background or solution

双容器下 spawn 时未等待 pty proxy ready 导致 undefiend 错误，增加 pty deferred

Changelog

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 55.32%. Comparing base (4d7306d) to head (429bf86).

Files	Patch %	Lines
...kages/terminal-next/src/node/pty.manager.remote.ts	50.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## v3.1 #3811 +/- ## ========================================== + Coverage 55.17% 55.32% +0.14% ========================================== Files 1549 1540 -9 Lines 96119 93908 -2211 Branches 19966 19282 -684 ========================================== - Hits 53038 51956 -1082 + Misses 35651 34803 -848 + Partials 7430 7149 -281 ``` | [Flag](https://app.codecov.io/gh/opensumi/core/pull/3811/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=opensumi) | Coverage Δ | | |---|---|---| | [jsdom](https://app.codecov.io/gh/opensumi/core/pull/3811/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=opensumi) | `50.78% <0.00%> (+0.20%)` | :arrow_up: | | [node](https://app.codecov.io/gh/opensumi/core/pull/3811/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=opensumi) | `15.55% <83.33%> (-0.20%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=opensumi#carryforward-flags-in-the-pull-request-comment) to find out more.

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[winjo]

/next

[opensumi[bot]]

🎉 PR Next publish successful!

3.1.4-next-1719541057.0