New explore

Changed the explore page to view images from database Explore page lists the images, which now are clickable, and stores the id not a string viewpicture is now upated to view the image with the given id

src/main/java/NTNU/IDATT1002/controllers/Explore.java

@@ -169,15 +169,10 @@ public class Explore implements Initializable {
      * @throws IOException
      */
     public void switchToPicture(MouseEvent mouseEvent) throws IOException {
-        boolean imageIdFound = false;
         long imageId = 0;
         Node node = (Node) mouseEvent.getSource();
-        while (!imageIdFound){
-            if (node.getId() != null){
+        if (node.getId() != null){
                 imageId = Long.parseLong(node.getId());
-                imageIdFound = true;
-            }
-            node = node.getParent();
         }
 
         if (imageId != 0) {