Style: Change icon of loadBtn

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/ZipEntryManager.java

@@ -136,7 +136,7 @@ public class ZipEntryManager {
                 Image img = new Image(inStream);
                 decompressImageView.setImage(img);
             }
-            try (InputStream inStream = MainWindow.class.getResourceAsStream("icons/load_zipEntry.png")) {
+            try (InputStream inStream = MainWindow.class.getResourceAsStream("icons/view_model.png")) {
                 Image img = new Image(inStream);
                 loadImageView.setImage(img);
             }