playground: fix tiproxy scale

[xhebox]

What problem does this PR solve?

missing sanitizeComponentConfig.

Check List

Tests

• Unit test
• [x] Integration test
• [x] Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release notes:

Fix tiproxy playground scale out

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 55.91%. Comparing base (38b6c96) to head (5913469).

:exclamation: Current head 5913469 differs from pull request most recent head d7a4bce. Consider uploading reports for the commit d7a4bce to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2365 +/- ## ========================================== + Coverage 55.77% 55.91% +0.14% ========================================== Files 329 329 Lines 35025 35032 +7 ========================================== + Hits 19534 19586 +52 + Misses 13154 13110 -44 + Partials 2337 2336 -1 ``` | [Flag](https://app.codecov.io/gh/pingcap/tiup/pull/2365/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | Coverage Δ | | |---|---|---| | [cluster](https://app.codecov.io/gh/pingcap/tiup/pull/2365/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `45.13% <ø> (-0.18%)` | :arrow_down: | | [dm](https://app.codecov.io/gh/pingcap/tiup/pull/2365/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `25.51% <ø> (-0.05%)` | :arrow_down: | | [playground](https://app.codecov.io/gh/pingcap/tiup/pull/2365/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `15.79% <100.00%> (+0.62%)` | :arrow_up: | | [tiup](https://app.codecov.io/gh/pingcap/tiup/pull/2365/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `33.60% <ø> (-0.05%)` | :arrow_down: | | [unittest](https://app.codecov.io/gh/pingcap/tiup/pull/2365/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `22.24% <0.00%> (-0.01%)` | :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=pingcap#carryforward-flags-in-the-pull-request-comment) to find out more.

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[kaaaaaaang]

/approve

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kaaaaaaang

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/pingcap/tiup/blob/master/OWNERS)~~ [kaaaaaaang] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[xhebox]

/retest

[kaaaaaaang]

/lgtm

[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-01-29 05:56:06.194282659 +0000 UTC m=+1372207.758580688: :ballot_box_with_check: agreed by kaaaaaaang.
• 2024-01-29 07:03:52.465732209 +0000 UTC m=+1376274.030029909: :heavy_multiplication_x::repeat: reset by ti-chi-bot[bot].
• 2024-02-29 09:45:23.840984442 +0000 UTC m=+1128012.588607554: :ballot_box_with_check: agreed by kaaaaaaang.

[kaaaaaaang]

/approve