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/controller/api/UserController.java

@@ -208,8 +208,8 @@ public class UserController {
     @PreAuthorize("hasRole('ROLE_ADMIN')")
     @PostMapping("/admin/saveUser")
     public RedirectView saveUser(
-            @RequestParam String username,
-            @RequestParam(name = "password", required = false) String password,
+            @RequestParam(name = "username", required = true) String username,
+            @RequestParam(name = "password", required = true) String password,
             @RequestParam(name = "role") String role,
             @RequestParam(name = "authType") String authType,
             @RequestParam(name = "forceChange", required = false, defaultValue = "false")