Give foot its own touchpad scroll factor (#9793)

foot only applies scrollback.multiplier to discrete wheel clicks, so
precise touchpad scrolling ignores it and crawls at the group's 1.5
factor. Split foot out at 2.0 to match how the other terminals feel.

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

config/hypr/input.lua

@@ -45,7 +45,8 @@
 -- })
 
 -- App-specific touchpad scroll speeds.
--- o.window("(Alacritty|kitty|foot)", { scroll_touchpad = 1.5 })
+-- o.window("(Alacritty|kitty)", { scroll_touchpad = 1.5 })
+-- o.window("foot", { scroll_touchpad = 2.0 })
 -- o.window("com.mitchellh.ghostty", { scroll_touchpad = 0.2 })
 
 -- Enable touchpad gestures for changing workspaces.