feat(config): integrate iris and streamline keybindings

dot_config/fish/functions/_gho_bind.fish

@@ -1,6 +1,8 @@
 function _gho_bind --description 'ctrl-o: gho (tv --inline), then redraw the prompt in the right place'
     set -l before $PWD
+    _iris_busy start
     gho
+    _iris_busy stop
     if test "$PWD" = "$before"
         # Cancelled (or the nvim action ran): tv --inline left the cursor on
         # the line below the prompt; step back so repaint redraws in place.