Introduce chromium safe math (#4144)

## Summary of the Pull Request

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## PR Checklist
* [x] Closes #4013 
* [x] I work here.
* [x] Existing tests should be OK. Real changes, just adding a lib to use.
* [x] Couldn't find any existing docs about intsafe.
* [x] Am core contributor.

## Detailed Description of the Pull Request / Additional comments
* [x] Can we remove min/max completely or rename it in the two projects where it had to be reintroduced? This is now moved into #4152 
* [x] How many usages of the old safe math are there? **79**
* [x] If not a ton, can we migrate them here or in a follow on PR? This is now moved into #4153

Files with old safe math:
- TerminalControl: TSFInputControl.cpp
- TerminalCore: TerminalDispatch.cpp
- TerminalCore: TerminalSelection.cpp
- Host: directio.cpp
- RendererGdi: invalidate.cpp
- RendererGdi: math.cpp
- RendererGdi: paint.cpp
- RendererVt: paint.cpp
- TerminalAdapter: adaptDispatch.cpp
- Types: viewport.cpp
- Types: WindowUiaProviderBase.cpp

## Validation Steps Performed

src/inc/LibraryIncludes.h

@@ -68,6 +68,9 @@
 // CppCoreCheck
 #include <CppCoreCheck/Warnings.h>
 
+// Chromium Numerics (safe math)
+#include <base/numerics/safe_math.h>
+
 // IntSafe
 #define ENABLE_INTSAFE_SIGNED_FUNCTIONS
 #include <intsafe.h>