Update the case citation filters to search archived mur citations

[tmpayton]

What we’re after

Currently, the case_statutory_citation and case_regulatory_citation do not search archived murs. We should modify these filters to also search archived murs.

Action item(s)

(These are the smaller tasks that should happen in order to complete this work)

• We should determine if we want to change the format of the archived murs to more closely match the current murs

Archived MUR format

Current MUR format

Completion criteria

(What does the end state look like - as long as this task(s) is done, this work is complete)

• case_statutory_citation and case_regulatory_citation filters search archived murs and current murs