The WAP packaging project in VS <= 16.3.7 produces a couple global
properties as part of its normal operation that cause MSBuild to flag
our projects as out-of-date and requiring a rebuild. By forcing those
properties to match the WAP values, we can get consistent builds.
One of those properties, however, is "GenerateAppxPackageOnBuild", and
WAP sets it to *false*. When we set that, of course, we don't get an
MSIX out of our build pipeline. Therefore, we have to break our build
into two phases -- build, then package.
This required us to change our approach to PCH deletion. A project
without a PCH is *also* considered out-of-date. Now, we keep all PCH
files but truncate them to 0 bytes.
TerminalApp, however, is re-linked during packaging because the Xaml
compiler emits a new generated C++ file on every build. We have to keep
those PCHs around.
* Remove WpfTerminalControl AnyCPU from Arch-specific builds
This removes another source of build nondeterminism: that WpfTerminalControl was propagating TargetFramework into architecture-specific C++ builds. Its "Any CPU" platform has been removed from architecture builds at the solution level.
This also cleans up some new projects that were added and build for "Any
CPU".
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