Add software tool functionality with device connection and upgrade options

- Implemented the software tool page with user interface for connecting devices.
- Added functionality to display connection status and software upgrade options.
- Included a help modal with step-by-step instructions for users.
- Integrated error handling and user permission checks.
- Enhanced user experience with dynamic content updates and visual feedback.

api/v2/get/software_download.php

@@ -9,8 +9,6 @@ defined($security_key) or exit;
 //Connect to DB
 $pdo = dbConnect($dbname);
 
-var_dump($_GET);
-
 // STEP 1: Validate token parameter exists
 if (!isset($_GET['token']) || $_GET['token'] == '') {
     http_response_code(400);
@@ -135,8 +133,10 @@ if ($assignment['assigned'] == 0) {
 }
 
 // STEP 6: Hardware version compatibility
-if ($version['hw_version'] && $version['hw_version'] != '' && $equipment['hw_version']) {
-    if ($version['hw_version'] != $equipment['hw_version']) {
+// Only check if version has hw_version requirement (not NULL or empty)
+// Match logic from software_update.php line 103
+if ($version['hw_version'] && $version['hw_version'] != '') {
+    if ($equipment['hw_version'] && $version['hw_version'] != $equipment['hw_version']) {
         http_response_code(403);
         log_download([
             'user_id' => $user_data['id'],