bankruptcy: Fix narrow being lost on declaring bankruptcy.
bankruptcy: Fix narrow being lost on declaring bankruptcy.

This was actually being done in 2 ways: via not saving the narrow in
the reload and second through calling `change_tab_to('#home')`.  The
code is so ancient that it seems unlikely that this behavior was still
intentional.

Fixes part of #3687 (the remainder is fixed in a few commits).

amanharitsh123/zulip,synicalsyntax/zulip,showell/zulip,Galexrt/zulip,verma-varsha/zulip,punchagan/zulip,showell/zulip,amanharitsh123/zulip,andersk/zulip,vaidap/zulip,mahim97/zulip,synicalsyntax/zulip,jainayush975/zulip,vabs22/zulip,punchagan/zulip,Galexrt/zulip,jackrzhang/zulip,tommyip/zulip,ryanbackman/zulip,timabbott/zulip,christi3k/zulip,timabbott/zulip,jphilipsen05/zulip,kou/zulip,vaidap/zulip,hackerkid/zulip,mahim97/zulip,vabs22/zulip,vabs22/zulip,j831/zulip,rishig/zulip,zulip/zulip,amanharitsh123/zulip,dhcrzf/zulip,zulip/zulip,jphilipsen05/zulip,jrowan/zulip,amanharitsh123/zulip,j831/zulip,ryanbackman/zulip,zulip/zulip,vaidap/zulip,dhcrzf/zulip,vaidap/zulip,Galexrt/zulip,synicalsyntax/zulip,tommyip/zulip,showell/zulip,showell/zulip,brockwhittaker/zulip,rishig/zulip,jainayush975/zulip,eeshangarg/zulip,zulip/zulip,eeshangarg/zulip,ryanbackman/zulip,brainwane/zulip,rht/zulip,christi3k/zulip,vabs22/zulip,christi3k/zulip,christi3k/zulip,brainwane/zulip,shubhamdhama/zulip,rishig/zulip,verma-varsha/zulip,jainayush975/zulip,synicalsyntax/zulip,shubhamdhama/zulip,dhcrzf/zulip,punchagan/zulip,vaidap/zulip,eeshangarg/zulip,zulip/zulip,jackrzhang/zulip,jphilipsen05/zulip,SmartPeople/zulip,Galexrt/zulip,brockwhittaker/zulip,jphilipsen05/zulip,jainayush975/zulip,verma-varsha/zulip,eeshangarg/zulip,eeshangarg/zulip,jackrzhang/zulip,dhcrzf/zulip,synicalsyntax/zulip,mahim97/zulip,andersk/zulip,mahim97/zulip,rht/zulip,timabbott/zulip,jrowan/zulip,kou/zulip,Galexrt/zulip,eeshangarg/zulip,andersk/zulip,shubhamdhama/zulip,rishig/zulip,j831/zulip,tommyip/zulip,verma-varsha/zulip,brainwane/zulip,hackerkid/zulip,jackrzhang/zulip,punchagan/zulip,andersk/zulip,vabs22/zulip,Galexrt/zulip,SmartPeople/zulip,jphilipsen05/zulip,dhcrzf/zulip,Galexrt/zulip,andersk/zulip,brainwane/zulip,vabs22/zulip,hackerkid/zulip,timabbott/zulip,jrowan/zulip,hackerkid/zulip,timabbott/zulip,jackrzhang/zulip,amanharitsh123/zulip,j831/zulip,jphilipsen05/zulip,verma-varsha/zulip,ryanbackman/zulip,jackrzhang/zulip,brockwhittaker/zulip,eeshangarg/zulip,SmartPeople/zulip,showell/zulip,andersk/zulip,amanharitsh123/zulip,kou/zulip,mahim97/zulip,rht/zulip,ryanbackman/zulip,kou/zulip,vaidap/zulip,brockwhittaker/zulip,hackerkid/zulip,zulip/zulip,dhcrzf/zulip,christi3k/zulip,hackerkid/zulip,tommyip/zulip,ryanbackman/zulip,rishig/zulip,jackrzhang/zulip,jrowan/zulip,tommyip/zulip,punchagan/zulip,synicalsyntax/zulip,punchagan/zulip,brockwhittaker/zulip,jainayush975/zulip,zulip/zulip,showell/zulip,rht/zulip,rishig/zulip,j831/zulip,jainayush975/zulip,j831/zulip,tommyip/zulip,verma-varsha/zulip,rht/zulip,timabbott/zulip,SmartPeople/zulip,dhcrzf/zulip,rht/zulip,SmartPeople/zulip,mahim97/zulip,brockwhittaker/zulip,synicalsyntax/zulip,timabbott/zulip,jrowan/zulip,rht/zulip,shubhamdhama/zulip,jrowan/zulip,kou/zulip,kou/zulip,kou/zulip,shubhamdhama/zulip,brainwane/zulip,SmartPeople/zulip,rishig/zulip,shubhamdhama/zulip,christi3k/zulip,andersk/zulip,tommyip/zulip,showell/zulip,brainwane/zulip,shubhamdhama/zulip,punchagan/zulip,hackerkid/zulip,brainwane/zulip