Disable ESLs when no ESL support (ModOrganizer2#2026)

* Show ESL plugins but disable and warn if unsupported

Author: Silarn

src/pluginlist.cpp

@@ -210,6 +210,9 @@ void PluginList::refresh(const QString& profileName,
       bool forceDisabled =
           m_GamePlugin->loadOrderMechanism() == IPluginGame::LoadOrderMechanism::None &&
           !forceLoaded && !forceEnabled;
+      if (!lightPluginsAreSupported && filename.endsWith(".esl")) {
+        forceDisabled = true;
+      }
 
       bool archive = false;
       try {
@@ -1355,8 +1358,13 @@ QVariant PluginList::tooltipData(const QModelIndex& modelIndex) const
   }
 
   if (esp.forceDisabled) {
-    toolTip += "<br><br>" + tr("This game does not currently permit custom plugin "
-                               "loading. There may be manual workarounds.");
+    if (m_GamePlugin->feature<GamePlugins>() && esp.hasLightExtension &&
+        !m_GamePlugin->feature<GamePlugins>()->lightPluginsAreSupported()) {
+      toolTip += "<br><br>" + tr("Light plugins (ESL) are not supported by this game.");
+    } else {
+      toolTip += "<br><br>" + tr("This game does not currently permit custom plugin "
+                                 "loading. There may be manual workarounds.");
+    }
   }
 
   // additional info
@@ -1804,7 +1812,7 @@ PluginList::ESPInfo::ESPInfo(const QString& name, bool forceLoaded, bool forceEn
     ESP::File file(ToWString(fullPath));
     auto extension     = name.right(3).toLower();
     hasMasterExtension = (extension == "esm");
-    hasLightExtension  = lightSupported && (extension == "esl");
+    hasLightExtension  = (extension == "esl");
     isMasterFlagged    = file.isMaster();
     isOverlayFlagged   = overlaySupported && file.isOverlay();
     isLightFlagged =