feat: standardize notifications and get rid of chat messages

[esx]/es_extended/client/main.lua

@@ -257,7 +257,7 @@ AddEventHandler('esx:spawnVehicle', function(vehicle)
 					TaskWarpPedIntoVehicle(ESX.PlayerData.ped, vehicle, -1)
 				end)
 			else
-				TriggerEvent('chat:addMessage', { args = { '^1SYSTEM', 'Invalid vehicle model.' } })
+				ESX.ShowNotification('Invalid vehicle model.')
 			end
 		end
 	end)

[esx]/es_extended/server/functions.lua

@@ -124,14 +124,14 @@ function ESX.RegisterCommand(name, group, cb, allowConsole, suggestion)
 				if playerId == 0 then
 					print(('[^3WARNING^7] %s^7'):format(error))
 				else
-					xPlayer.triggerEvent('chat:addMessage', {args = {'^1SYSTEM', error}})
+					xPlayer.showNotification(error)
 				end
 			else
 				cb(xPlayer or false, args, function(msg)
 					if playerId == 0 then
 						print(('[^3WARNING^7] %s^7'):format(msg))
 					else
-						xPlayer.triggerEvent('chat:addMessage', {args = {'^1SYSTEM', msg}})
+						xPlayer.showNotification(msg)
 					end
 				end)
 			end

[esx]/es_extended/server/main.lua

@@ -301,10 +301,11 @@ function loadESXPlayer(identifier, playerId, isNew)
 end
 
 AddEventHandler('chatMessage', function(playerId, author, message)
+	local xPlayer = ESX.GetPlayerFromId(playerId)
 	if message:sub(1, 1) == '/' and playerId > 0 then
 		CancelEvent()
 		local commandName = message:sub(1):gmatch("%w+")()
-		TriggerClientEvent('chat:addMessage', playerId, {args = {'^1SYSTEM', _U('commanderror_invalidcommand', commandName)}})
+		xPlayer.showNotification(_U('commanderror_invalidcommand', commandName))
 	end
 end)
 

[esx_addons]/esx_basicneeds/server/main.lua

@@ -18,7 +18,7 @@ end)
 
 ESX.RegisterCommand('heal', 'admin', function(xPlayer, args, showError)
 	args.playerId.triggerEvent('esx_basicneeds:healPlayer')
-	args.playerId.triggerEvent('chat:addMessage', {args = {'^5HEAL', 'You have been healed.'}})
+	args.playerId.showNotification('You have been healed.')
 end, true, {help = 'Heal a player, or yourself - restores thirst, hunger and health.', validate = true, arguments = {
 	{name = 'playerId', help = 'the player id', type = 'player'}
 }})