This patch removes the fixed size of the Templates dialog in pixels so it works better in HiDPI displays.
This patch also makes the dialog a bit wider and non-resizable.
Change-Id: I256d8d5c8b76c8e32a4f008f3a235f80bf59634d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/136922
Reviewed-by: Heiko Tietze <heiko.tietze@documentfoundation.org>
Tested-by: Heiko Tietze <heiko.tietze@documentfoundation.org>