Related Bills in Overview section - include only related bills from the current congress and change display

[nkinaba]

1. Limit related bills in Overview section to related bills in the current congress only

2. Include the short title (if available) or title up to x amount of characters in a hover over

[aih]

@ayeshamk, note that in the latest main, I have updated the display to include the ordinal (117_th_), by updating the billnumber display filter.

I've also added a new route, e.g. /home/bill-titles/117 (serving the class BillListTitleAPIView(View) in home/views.py) that gives a dictionary of billnumber: short title, if that is helpful in creating the title attribute for the related bill list. You may also get the short title from the related bills themselves, as we do in the table:

[aih]

Implemented