Fix osx pipeline being unhappy for unordered_map

- v_draw.hpp was simply missing the header entirely.
- r_debug_printer.cpp is the weird one -- unordered_set's definition uses unordered_map, but it seems like osx's standard library does not include it in their definition? wut?

src/r_debug_printer.cpp

@@ -9,6 +9,7 @@
 //-----------------------------------------------------------------------------
 
 #include <string_view>
+#include <unordered_map>
 #include <unordered_set>
 
 #include "r_debug.hpp"

src/v_draw.hpp

@@ -15,6 +15,7 @@
 #include <string_view>
 #include <optional>
 #include <utility>
+#include <unordered_map>
 
 #include <fmt/core.h>