Description of problem:
Autocompletion used to select the text that was completed, so that typing would
replace it (causing autocompletion to happen again).  Now the text is not
selected, so continued typing just inserts before the completed text.

Version-Release number of selected component (if applicable):
gnucash-1.9.6-1

How reproducible:
Always

Steps to Reproduce:
1. In the ledger, add a new transaction with the same name as a previous one.
  
Actual results:
Completed text is not selected.

Expected results:
Completed text is selected.


Additional info: