Unfork `EventQueueProcessor.cpp` and `TimerManager.cpp`

[jonthysell]

Problem Description

Getting C4715 not all control paths return a value warnings turning into errors due to new switches with enums that don't have a default return value.

Link to the integration where the error originated

#13508

Link to commit

facebook/react-native@404f323

facebook/react-native@a8a76f9

Forked files

1. vnext\ReactCommon\TEMP_UntilReactCommonUpdate\react\renderer\core\EventQueueProcessor.cpp
2. vnext\ReactCommon\TEMP_UntilReactCommonUpdate\react\runtime\TimerManager.cpp

Upstream PR

facebook/react-native#45827

Build Configuration

None

[jonthysell]

This was merged upstream on Aug 12th, so we should be able to unfork when we catch up to that build.