5 ms timers cause SwTextFrm::CollectAutoCmplWrds() to return
early, and unlike the auto-spelling stuff there is nothing to store the
already-checked range of the paragraph, so on the next iteration it will
start from the beginning and time-out again.

Prevent that by excluding TIMER events here, as is already done for the
ONLINE_SPELLING case.

Change-Id: Iac781f10ce0aef902fa921030e61b4cff65d0cb3
(cherry picked from commit b4f35a74)
Reviewed-on: https://gerrit.libreoffice.org/18590Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>