use the ng-csp attribute to turn off angular's usage of inline styles (<body ng-csp="no-inline-style">)
ui-boostrap uses inline styles (see ui-bootstrap-tpls-2.5.0-camunda.js@7770, those styles need to be extracted. After this change however the dropdown element will have a small ui bug.
This is the controller panel for Smart Panels app
is related to
CAM-14139Make default content security policy more strict