fix: Steam Workshop module issues and modulemanager PHP 8.3 warning

Agent-Logs-Url: https://github.com/GameServerPanel/GSP/sessions/773ab9dc-a9f7-463e-8bf1-c37ac01b0b37

Co-authored-by: iaretechnician <2749183+iaretechnician@users.noreply.github.com>

modules/steam_workshop/monitor_buttons.php

@@ -0,0 +1,37 @@
+<?php
+/*
+ * GSP – Steam Workshop: monitor page button
+ * Copyright (C) 2025 WDS / GameServerPanel
+ *
+ * Adds a "Steam Workshop" button to the game/server monitor page when:
+ *  - the game's Workshop profile is enabled in steam_workshop_game_profiles, AND
+ *  - the current user owns the server or is an admin.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+$module_buttons = array();
+
+// Only show the button when a Workshop profile is enabled for this game config.
+$_sw_profile = $db->resultQuery(
+    "SELECT p.id
+       FROM OGP_DB_PREFIXsteam_workshop_game_profiles p
+       JOIN OGP_DB_PREFIXconfig_homes c ON c.game_key = p.config_name
+       JOIN OGP_DB_PREFIXserver_homes s ON s.home_cfg_id = c.home_cfg_id
+      WHERE s.home_id = " . (int)$server_home['home_id'] . "
+        AND p.enabled = 1
+      LIMIT 1"
+);
+
+if (!empty($_sw_profile)) {
+    $module_buttons[] = "<a class='monitorbutton' href='home.php?m=steam_workshop&amp;p=user&amp;home_id=" . (int)$server_home['home_id'] . "'>
+		<img src='" . htmlspecialchars(check_theme_image("images/steam_workshop.png"), ENT_QUOTES, 'UTF-8') . "' title='Steam Workshop'>
+		<span>Steam Workshop</span>
+	</a>";
+}
+
+unset($_sw_profile);
+?>