Here goes a bunch of related changes:

1. Create new character style based on current character properties

2. Apply created style to hyperlink object

3. Fixes to predefined style names usage in w:rPr

4. Disable style usage for hyperlinks in TOC: they will receive later
anoter styles

Change-Id: I1a228992eb7c1e259a6a811aa7f959debaae4f35
Reviewed-on: https://gerrit.libreoffice.org/41784Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>