Fix dash print for annotations

[MV88]

Description

Dash style is not passed to mapfish so lines are not printed with it.

In case of Bug (otherwise remove this paragraph)

Browser Affected
(use this site: https://www.whatsmybrowser.org/ for non expert users)

• Internet Explorer
• Chrome
• Firefox
• Safari

Browser Version Affected

• Indicate the browser version in which the issue has been found

Steps to reproduce

• create a line with dashed stroke style
• print it

Expected Result

• dash style is printed

Current Result

• • dash style is not printed

Other useful information (optional):