[Minor] Componentstacker dataclass and abstraction of stacking and unstacking of components #1646

ModelReport

Benchmark	Metric	main	current	diff
PeytonManning	MAE_val	0.35033	0.35033	0.0%	✅
PeytonManning	RMSE_val	0.50095	0.50095	0.0%	✅
PeytonManning	Loss_val	0.01775	0.01775	0.0%	✅
PeytonManning	MAE	0.34667	0.34667	0.0%	✅
PeytonManning	RMSE	0.49357	0.49357	0.0%	✅
PeytonManning	Loss	0.01466	0.01466	0.0%	✅
PeytonManning	LR	0.00032	0.00032	0.0%	✅
PeytonManning	time	14.8349	14.81	-0.17%	✅
AirPassengers	MAE_val	30.1315	30.1315	0.0%	✅
AirPassengers	RMSE_val	31.0835	31.0835	0.0%	✅
AirPassengers	Loss_val	0.01242	0.01242	0.0%	✅
AirPassengers	MAE	6.12226	6.12226	0.0%	✅
AirPassengers	RMSE	7.80921	7.80921	0.0%	✅
AirPassengers	Loss	0.00064	0.00064	0.0%	✅
AirPassengers	LR	0.0004	0.0004	0.0%	✅
AirPassengers	time	8.16777	8.34	2.11%	✅
EnergyPriceDaily	MAE_val	5.40186	5.40186	0.0%	✅
EnergyPriceDaily	RMSE_val	6.70655	6.70655	0.0%	✅
EnergyPriceDaily	Loss_val	0.02519	0.02519	0.0%	✅
EnergyPriceDaily	MAE	5.91309	5.91309	0.0%	✅
EnergyPriceDaily	RMSE	7.94008	7.94008	0.0%	✅
EnergyPriceDaily	Loss	0.02554	0.02554	0.0%	✅
EnergyPriceDaily	LR	0.00029	0.00029	0.0%	✅
EnergyPriceDaily	time	19.8328	19.74	-0.47%	✅
YosemiteTemps	MAE_val	0.57336	0.57336	0.0%	✅
YosemiteTemps	RMSE_val	0.84714	0.84714	0.0%	✅
YosemiteTemps	Loss_val	0.00042	0.00042	0.0%	✅
YosemiteTemps	MAE	0.93956	0.93956	0.0%	✅
YosemiteTemps	RMSE	1.65601	1.65601	0.0%	✅
YosemiteTemps	Loss	0.00118	0.00118	0.0%	✅
YosemiteTemps	LR	0.0001	0.0001	0.0%	✅
YosemiteTemps	time	60.8125	58.38	-4.0%	✅