i3, keep Jetbrains apps on WS4.

files/settings/i3.config

@@ -265,6 +265,7 @@ assign [class="(?i).*codium.*"] $ws3
 
 assign [class="(?i).*code.*"] $ws4
 assign [class="(?i).*flutter.*"] $ws4
+assign [class="(?i).*jetbrains.*"] $ws4
 
 assign [class="(?i).*signal.*"] $ws5
 assign [class="(?i).*telegram.*"] $ws5