--diagnosis-as-error when using --workspace

[alex-courtis]

CodeFormat check --diagnosis-as-error -w ... does not exit -1 when a warning/error is found.

CodeFormat check --diagnosis-as-error -f foo.lua does exit -1

This always returns true:

EmmyLuaCodeStyle/CodeFormat/src/LuaCheck.cpp

Line 113 in ebcd76a

bool LuaCheck::CheckWorkspace(const FormatContext &context) {

[alex-courtis]

Use case: running check in CI