Fix NMS-6534: SVG Maps open multiple times in Chrome
Fix NMS-6534: SVG Maps open multiple times in Chrome

roskens/opennms-pre-github,rdkgit/opennms,rdkgit/opennms,aihua/opennms,roskens/opennms-pre-github,aihua/opennms,aihua/opennms,roskens/opennms-pre-github,roskens/opennms-pre-github,rdkgit/opennms,roskens/opennms-pre-github,rdkgit/opennms,aihua/opennms,aihua/opennms,roskens/opennms-pre-github,aihua/opennms,rdkgit/opennms,roskens/opennms-pre-github,aihua/opennms,rdkgit/opennms,aihua/opennms,roskens/opennms-pre-github,rdkgit/opennms,roskens/opennms-pre-github,rdkgit/opennms,aihua/opennms,roskens/opennms-pre-github,roskens/opennms-pre-github,rdkgit/opennms,rdkgit/opennms