OO-4097: resize the div with the background image of hotspot

src/main/java/org/olat/ims/qti21/ui/_content/assessment_results.html

@@ -511,6 +511,14 @@
 								jEl.css('height', jEl.attr('height') + "px");
 							}
 						});
+						jQuery('#collapse_${itemResult.interactionResults.solutionFormItem.name} div.o_oo_hotcontainer>div').each(function(index, el) {
+							var jEl = jQuery(el);
+							if(jEl.css('height') == '0px') {
+								var containerEl = jEl.closest("div.o_oo_hotcontainer");
+								jEl.css('height', containerEl.css('height'));
+								jEl.css('background-size', containerEl.css('width') + " " + containerEl.css('height'));
+							}
+						});
 					})
 				});
 				/* ]]> */