itsm-pc-handle/assets/views/customform/tpl/ui-showimage.html

<div>
    <div class="modal-header" draggable class="modal-dialog">
        <div class="modal-title fontcolor-two fontsizes-14">{{title}}<button type="button" class="close pull-right" ng-click="cancel()">×</button></div>
    </div>
    <div class="modal-body margin-top-15 margin-left-15 margin-bottom-15 margin-right-15 addrequster">
        <img draggable ng-src="{{imageurl}}" style="max-height:400px;object-fit: contain;" />
    </div>
</div>