Track fetch status of initial home message load.
Track fetch status of initial home message load.

This has a small stylistic change.  The load_more function
is recursive, and we now early-exit when the recursion is
finished (i.e. when we've found the newest row).

dhcrzf/zulip,kou/zulip,punchagan/zulip,jackrzhang/zulip,rht/zulip,eeshangarg/zulip,showell/zulip,showell/zulip,brainwane/zulip,dhcrzf/zulip,rishig/zulip,synicalsyntax/zulip,brainwane/zulip,showell/zulip,rishig/zulip,showell/zulip,zulip/zulip,andersk/zulip,shubhamdhama/zulip,timabbott/zulip,hackerkid/zulip,showell/zulip,kou/zulip,jackrzhang/zulip,rht/zulip,andersk/zulip,dhcrzf/zulip,synicalsyntax/zulip,tommyip/zulip,rishig/zulip,rishig/zulip,brainwane/zulip,dhcrzf/zulip,jackrzhang/zulip,punchagan/zulip,rht/zulip,brainwane/zulip,kou/zulip,rht/zulip,synicalsyntax/zulip,rishig/zulip,brainwane/zulip,kou/zulip,eeshangarg/zulip,hackerkid/zulip,synicalsyntax/zulip,jackrzhang/zulip,showell/zulip,punchagan/zulip,timabbott/zulip,shubhamdhama/zulip,rht/zulip,shubhamdhama/zulip,jackrzhang/zulip,zulip/zulip,rishig/zulip,andersk/zulip,dhcrzf/zulip,kou/zulip,andersk/zulip,eeshangarg/zulip,synicalsyntax/zulip,timabbott/zulip,zulip/zulip,tommyip/zulip,kou/zulip,timabbott/zulip,shubhamdhama/zulip,rht/zulip,punchagan/zulip,tommyip/zulip,hackerkid/zulip,punchagan/zulip,andersk/zulip,rht/zulip,hackerkid/zulip,timabbott/zulip,kou/zulip,shubhamdhama/zulip,eeshangarg/zulip,tommyip/zulip,shubhamdhama/zulip,zulip/zulip,timabbott/zulip,hackerkid/zulip,dhcrzf/zulip,tommyip/zulip,jackrzhang/zulip,brainwane/zulip,punchagan/zulip,synicalsyntax/zulip,brainwane/zulip,dhcrzf/zulip,synicalsyntax/zulip,punchagan/zulip,andersk/zulip,eeshangarg/zulip,showell/zulip,tommyip/zulip,timabbott/zulip,hackerkid/zulip,andersk/zulip,zulip/zulip,jackrzhang/zulip,zulip/zulip,eeshangarg/zulip,rishig/zulip,tommyip/zulip,hackerkid/zulip,shubhamdhama/zulip,eeshangarg/zulip,zulip/zulip