Lots of changes (#1889)

* Add image support to multi-tool page

Related to #278

* changes to support image types

* final touches

* final touches

* final touches

Signed-off-by: a <a>

* final touches

Signed-off-by: a <a>

* final touches

Signed-off-by: a <a>

* final touches

Signed-off-by: a <a>

* final touches

Signed-off-by: a <a>

* final touches

Signed-off-by: a <a>

* final touches

Signed-off-by: a <a>

* Update translation files (#1888)

Signed-off-by: GitHub Action <action@github.com>
Co-authored-by: GitHub Action <action@github.com>

---------

Signed-off-by: a <a>
Signed-off-by: GitHub Action <action@github.com>
Co-authored-by: a <a>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: GitHub Action <action@github.com>

src/main/java/stirling/software/SPDF/config/security/AppUpdateAuthService.java

@@ -20,7 +20,7 @@ class AppUpdateAuthService implements ShowAdminInterface {
 
     @Override
     public boolean getShowUpdateOnlyAdmins() {
-        boolean showUpdate = applicationProperties.getSystem().getShowUpdate();
+        boolean showUpdate = applicationProperties.getSystem().isShowUpdate();
         if (!showUpdate) {
             return showUpdate;
         }