Reload .Xdefaults when restarting i3

I'm giving up trying to make X load this file properly on boot.

dotfiles/i3/config

@@ -156,7 +156,7 @@ bindsym $mod+Shift+Page_Down move container to workspace next_on_output
 bindsym $mod+Shift+Tab move scratchpad
 bindsym $mod+Tab scratchpad show
 
-bindsym $mod+Shift+r restart
+bindsym $mod+Shift+r exec "xrdb .Xdefaults; i3-msg restart"
 
 #                       BORDER          BACKGROUND      TEXT            INDICATOR
 client.focused          $col_c_focd_bor $col_c_focd_bgn $col_c_focd_txt $col_c_focd_ind