fdo#81750 MM: correctly convert inline-edit fields

The new inline-editable input fields contain real content in the
node, therefore a single SwPaM::Move isn't sufficient to select
the field or move after the field.
For the input fields we can directly go to the end of the field.

Reviewed-on: https://gerrit.libreoffice.org/10834
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit 2579adb13188d276701b1504b4a10bed4d8d4b6f)

Conflicts:

	sw/source/core/doc/doc.cxx

Change-Id: Ic1bce415ce45e49456121b6db003ded0733e195c
Reviewed-on: https://gerrit.libreoffice.org/11782
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>