LPS-46694 Add the property-builder fonts for the diagram-builder and the form-builder

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>
LPS-46694 Change the diagram-builder icons to font-based and remove unused icons CSS

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>
LPS-46694 Change the form-builder icons to font-based and remove unused icons CSS

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>