Better Mods Button Mod (1.19.2, 1.18.2) adds the mods buttons back to the pause screen in Forge versions before Minecraft 1.13. This allows you to quickly access mod configuration in-game (when it is available).
You have many options regarding where and how your mods button should be displayed on the screen. This is heavily inspired by MOD Menu. Both showing a total mod count and toggling the update notification symbol are supported. You control the mods button. It’s your choice!