Enable touchpad mouse and keyboard access in the stats filter search engine

Two things we need that are very easy to add for: quality of life.

1 We can use the gamepad's touchpad as a mouse since 2025 in Astro's Playroom, so why not use it in this game? It would be easy: press L3 + Touchpad to activate it, and then you have a mouse pointer (like the one in the passive tree when you press R3) and use L3 to click wherever you want. Press L3 + Touchpad again to exit pointer mode.

2 We need to access the keyboard in the stats filter search engine, just like there is for the item search engine in the trade market.

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