fdo#87185 add verbs before entries in image context menu

Change-Id: I902c40d2d88857eec4fd30c36af19ca3af0c2d98
Reviewed-on: https://gerrit.libreoffice.org/13616
Reviewed-by: Yousuf Philips <philipz85@hotmail.com>
Tested-by: Yousuf Philips <philipz85@hotmail.com>