Enable building with CEF 6834 (Chromium 132)

[WizardCM]

Description

OnBeforePopup gained a popup_id. No other changes required.

https://cef-builds.spotifycdn.com/docs/132.0/classCefLifeSpanHandler.html

Note: This does not open the door for us to upgrade to Chromium 128 or above just yet, as that still requires locking down the Chromium framework.

Motivation and Context

To make testing newer CEF builds easier. Especially as we're trying to debug the 250ms freeze, which we might have a potential fix for (and, if all goes well, we can backport to CEF 6533).

How Has This Been Tested?

• Download a minimal 132 build from https://cef-builds.spotifycdn.com/index.html
• Build the CEF wrapper (with USE_SANDBOX off)
• Build OBS with the CEF build
• Verify OBS launches

Types of changes

• Tweak (non-breaking change to improve existing functionality)

Checklist:

• My code has been run through clang-format.
• I have read the contributing document.
• My code is not on the master branch.
• The code has been tested.
• All commit messages are properly formatted and commits squashed where appropriate.
• I have included updates to all appropriate documentation.

[WizardCM]

I've additionally pushed a commit to improve support for Chromium 133+ (CEF 6943) though it's not the purpose of this PR. Proper support for 133+ depends on

• cmake: Use NOMINMAX on Windows obs-studio#11385
• cmake: Don't copy legacy, unused Chromium file obs-studio#11841