* Use the cursor position for the span when between locations.
This fixes a bug where completing
ls <TAB>
would result in replacing the entire line.
* Revert to the default update implementation.
Replacing the length of the elected value was intended to do replacement when
one moves inside a quote. The problem is that a long elected suggestion could
replace bits of a pipeline that are after the cursor. For example:
ls <TAB> | get name | str collect