[RFC]Refactor: remove some action that passing this ptr as callback param in constructor

[Mrpaoo]

Related issue #4995 , It's been danger to pass this as a callback ptr or do something that may throw error in constructor. its recommend to call init() after construct. so i declare two func in Class AModule void init() to register callback pass this to framework, virtual void do_init() derived class can implement it and put error-throw action here rather than in constructor.And init() would be call after factory.MakeModule(), inside init() then it call do_init()

    module = factory.makeModule(ref, pos);
    module->init();

void AModule::init() {
  // here are the point where obj is fully constructed
  // we can do sth like connect signal that requires well constructed object
  do_init();
  .....

It is noticed that i only modify the hyprland/workspaces and AModule consider that overhaul every module is danger and i wasnt pretty sure if the community appreciate this refactor. So i need some advice about it. If it work, i can refactor the rest of them

And i have no idea if it need some test code, and idk how to test the situation like this, so yes, please let me know if u have better idea!