* Add ARM64EC Platform
* Add property sheets
* Add packages.lock.json
* Upgrade WinSDK version for C/C++ projects
Older SDK versions do not contain softintrin.h
See http://www.emulators.com/docs/abc_arm64ec_explained.htm
* Do not build Integration Test projects for ARM64EC
* Make V8Platform x64 for ARM64EC
* Override HermesPlatform for ARM64EC
* Override WinAppSDK platforms for ARM64EC
* Exclude OpenSSL on Desktop DLL for ARM64EC
* Override WinAppSDK _MrtCoreRuntimeIdentifier
* Update packages.lock.json
* Add explicit LIB dependencies for ARM64EC
* Skip React.Windows.IntegrationTests on ARM64EC
* Change files
* Simplify condition for WindowsAppSDKOverrides
* Switch from ARM64 to ARM64EC in Desktop CI
* Update prepare-build-env.yml
* Enable ARM64EC on PullRequest env
* Remove OpenSSL from Desktop LIB and DLL
* /t:Vars - Log SolutionName