Export histogram charts as chart:bar with coext:class="histogram"
and write histogram properties.
Import the histogram class and configuration again recreate the
HistogramChartType, and trigger the histogram template once chart
import is complete so calculated bins, categories, and frequencies
are rebuilt from the preserved raw values-y data.
Change-Id: I202d5666315d4f26da2bf4b3650b4388a9e4fb50
(cherry picked from commit 5fb2f5f2c2676743b823640dbaa02762308d6a54)
Signed-off-by: Devansh Varshney <varshney.devansh614@gmail.com>
Reviewed-on: https://gerrit.collaboraoffice.com/c/online/+/1880
Tested-by: Jenkins CPCI <releng@collaboraoffice.com>
Reviewed-by: Tomaž Vajngerl <tomaz.vajngerl@collabora.com>
(cherry picked from commit a54fc185d3d73f765bd37cc98df92cac81e01572)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/203814
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
Tested-by: Jenkins