fix(loader): add plugins whose rtp got loaded early to start plugins

lua/lazy/core/loader.lua

@@ -161,7 +161,7 @@ function M.get_start_plugins()
   ---@type LazyPlugin[]
   local start = {}
   for _, plugin in pairs(Config.plugins) do
-    if plugin.lazy == false and not plugin._.loaded then
+    if not plugin._.loaded and (plugin._.rtp_loaded or plugin.lazy == false) then
       start[#start + 1] = plugin
     end
   end