Extract the logic that is responsible for aggregating small components

[suhaibmujahid]

The logic responsible for aggregating small components should live in a separate class for reusability, rather than being part of the component model.

bugbug/bugbug/models/component.py

Lines 130 to 143 in c9fdb64

	def filter_component(self, product, component):
	full_comp = f"{product}::{component}"
	if full_comp in self.CONFLATED_COMPONENTS_INVERSE_MAPPING:
	return self.CONFLATED_COMPONENTS_INVERSE_MAPPING[full_comp]
	if (product, component) in self.meaningful_product_components:
	return full_comp
	for conflated_component in self.CONFLATED_COMPONENTS:
	if full_comp.startswith(conflated_component):
	return conflated_component
	return None