fix: toggle GpChatNew popup (resolve #112)

Author: Robitx

lua/gp/init.lua

@@ -1721,7 +1721,9 @@ M.cmd.ChatNew = function(params, model, system_prompt)
 end
 
 M.cmd.ChatToggle = function(params, model, system_prompt)
-	M._toggle_close(M._toggle_kind.popup)
+	if M._toggle_close(M._toggle_kind.popup) then
+		return
+	end
 	if M._toggle_close(M._toggle_kind.chat) and params.range ~= 2 then
 		return
 	end