Serialization doesn't always work

[henrikjacobsenfys]

For example, I just got this error when trying to copy a SampleModel:

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
Cell In[13], [line 2](vscode-notebook-cell:?execution_count=13&line=2)
      1 # Now make a new analysis with this sample model
----> [2](vscode-notebook-cell:?execution_count=13&line=2) mag_sample_model = copy(sample_model)
      3 DHO1 = DampedHarmonicOscillator(display_name = 'DHO1', area=100, center=0.2, width=0.2)
      4 DHO2 = DampedHarmonicOscillator(display_name = 'DHO2', area=10, center=1.1, width=0.2)

File ~\Documents\easyScience\dynamics-lib\.pixi\envs\default\Lib\copy.py:79, in copy(x)
     77 copier = getattr(cls, "__copy__", None)
     78 if copier is not None:
---> [79](https://file+.vscode-resource.vscode-cdn.net/c%3A/Users/henrikjacobsen3/Documents/easyScience/dynamics-lib/docs/docs/tutorials/~/Documents/easyScience/dynamics-lib/.pixi/envs/default/Lib/copy.py:79)     return copier(x)
     81 reductor = dispatch_table.get(cls)
     82 if reductor is not None:

File ~\Documents\easyScience\dynamics-lib\.pixi\envs\default\Lib\site-packages\easyscience\base_classes\new_base.py:138, in NewBase.__copy__(self)
    136 """Return a copy of the object."""
    137 temp = self.to_dict(skip=['unique_name'])
--> [138](https://file+.vscode-resource.vscode-cdn.net/c%3A/Users/henrikjacobsen3/Documents/easyScience/dynamics-lib/docs/docs/tutorials/~/Documents/easyScience/dynamics-lib/.pixi/envs/default/Lib/site-packages/easyscience/base_classes/new_base.py:138) new_obj = self.__class__.from_dict(temp)
    139 return new_obj

File ~\Documents\easyScience\dynamics-lib\.pixi\envs\default\Lib\site-packages\easyscience\base_classes\model_base.py:108, in ModelBase.from_dict(cls, obj_dict)
    106         parameter_placeholder[key] = value
    107         kwargs[key] = value.value
--> [108](https://file+.vscode-resource.vscode-cdn.net/c%3A/Users/henrikjacobsen3/Documents/easyScience/dynamics-lib/docs/docs/tutorials/~/Documents/easyScience/dynamics-lib/.pixi/envs/default/Lib/site-packages/easyscience/base_classes/model_base.py:108) cls_instance = cls(**kwargs)
...
     81     )
     83 self._components = ComponentCollection()
     84 if isinstance(components, (ModelComponent, ComponentCollection)):

TypeError: Components must be a ModelComponent, a ComponentCollection or None, got list