[REBASE&FF][202405] Restore TPL requirements for WaitForEvent()

[Javagedes]

Description

Restores TPL requirements for WaitForEvent as removed in c3acc1ff370b9f93c811a32025789611a7809c36 to ensure the Event based Self Certification Tests (SCT)s pass, but allow a platform to produce a wait for event protocol that does not have the TPL_APPLICATION requirements.

Includes:

• https://github.com/microsoft/mu_basecore/commit/47273abc00

• [ ] Impacts functionality?

  • Functionality - Does the change ultimately impact how firmware functions?
  • Examples: Add a new library, publish a new PPI, update an algorithm, ...

• [ ] Impacts security?

  • Security - Does the change have a direct security impact on an application, flow, or firmware?
  • Examples: Crypto algorithm change, buffer overflow fix, parameter validation improvement, ...

• [ ] Breaking change?

  • Breaking change - Will anyone consuming this change experience a break in build or boot behavior?
  • Examples: Add a new library class, move a module to a different repo, call a function in a new library class in a pre-existing module, ...

• [ ] Includes tests?

  • Tests - Does the change include any explicit test code?
  • Examples: Unit tests, integration tests, robot tests, ...

• [ ] Includes documentation?

  • Documentation - Does the change contain explicit documentation additions outside direct code modifications (and comments)?
  • Examples: Update readme file, add feature readme file, link to documentation on an a separate Web page, ...

How This Was Tested

202311

Integration Instructions

202311

[codecov-commenter]

Codecov Report

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

Please upload report for BASE (release/202405@cfe63ff). Learn more about missing BASE report.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/202405 #1049 +/- ## ================================================= Coverage ? 0.89% ================================================= Files ? 938 Lines ? 316208 Branches ? 2288 ================================================= Hits ? 2826 Misses ? 313351 Partials ? 31 ``` | [Flag](https://app.codecov.io/gh/microsoft/mu_basecore/pull/1049/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) | Coverage Δ | | |---|---|---| | [MdeModulePkg](https://app.codecov.io/gh/microsoft/mu_basecore/pull/1049/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) | `0.54% <ø> (?)` | | | [NetworkPkg](https://app.codecov.io/gh/microsoft/mu_basecore/pull/1049/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) | `0.55% <ø> (?)` | | | [UefiCpuPkg](https://app.codecov.io/gh/microsoft/mu_basecore/pull/1049/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) | `4.75% <ø> (?)` | | 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=microsoft#carryforward-flags-in-the-pull-request-comment) to find out more.

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