Use wezterm instead of foot

It's fast and Wayland native, but doesn't have the weird character
box width glitch.

dotfiles/config/sway/config

@@ -14,7 +14,7 @@ set $down j
 set $up k
 set $right l
 # Your preferred terminal emulator
-set $term foot
+set $term wezterm
 # Your preferred application launcher
 # Note: pass the final command to swaymsg so that the resulting window can be opened
 # on the original workspace that the command was run on.

dotfiles/wezterm.lua

@@ -10,6 +10,9 @@ if wezterm.config_builder then
   config = wezterm.config_builder()
 end
 
+config.font = wezterm.font 'Cascadia Mono'
+config.font_size = 13.5
+
 -- This is where you actually apply your config choices
 
 -- Selenized colors by Alan Orth

dotfiles/zshrc

@@ -43,9 +43,6 @@ if [[ "$OSTYPE" =~ ^linux.*$ ]]; then
     export SDL_VIDEODRIVER=wayland
     # Signal to xdg-desktop-portal that we're on Sway
     export XDG_CURRENT_DESKTOP=sway
-    # 2022-12-26: use Vulkan renderer in Sway
-    # 2023-01-03: a bit buggy on older Intel, especially in Thunderbird (even on new Intel)
-    #export WLR_RENDERER=vulkan
 
     # 2023-02-05: tell pip/poetry not to probe for keyrings. I'm not publishing
     # packages to pypi.org and the popup during pip/poetry install is annoying.