OO-3901: add CSS hyphen auto for rubric labels

src/main/webapp/static/themes/light/modules/_evaluation_form.scss

@@ -12,6 +12,9 @@
 			display:inline-block;
 			text-align: center;
 			align-self: flex-end;
+			-webkit-hyphens: auto;
+			-ms-hyphens: auto;
+			hyphens: auto;
 		}
 	}