decompiler: allow jak 3 texture and model extraction (#3080)

Added some hacks and stubs to allow extracting textures and models.

common/texture/texture_slots.cpp

@@ -42,8 +42,14 @@ std::vector<std::string> jak2_slots = {
     "cas-toxic-slime-scroll-dest",
 };
 
-}
+std::vector<std::string> jak3_slots = {};
+
+}  // namespace
 
 const std::vector<std::string>& jak2_animated_texture_slots() {
   return jak2_slots;
 }
+
+const std::vector<std::string>& jak3_animated_texture_slots() {
+  return jak3_slots;
+}