sway: Replace xdot with vimiv

sway/.config/sway/config.d/70-app.conf

@@ -6,6 +6,6 @@ for_window [app_id="firefox" title="Firefox — Sharing Indicator"] {
 for_window [app_id="gst-launch-1.0"] floating enable, resize set width 1920 px height 1080px
 assign [app_id="gst-launch-1.0"] 5
 assign [title="gst-play-1.0"] 5
-assign [app_id="xdot"] 5
+assign [app_id="vimiv"] 5
 assign [app_id="mpv"] 6
 assign [app_id="org.pwmt.zathura"] 6