--- mozilla/toolkit/mozapps/extensions/internal/XPIInstall.jsm.orig	2022-06-08 22:10:29.000000000 +0300

+++ mozilla/toolkit/mozapps/extensions/internal/XPIInstall.jsm	2022-06-15 21:14:29.984281233 +0300

@@ -691,17 +691,17 @@ async function loadManifestFromRDF(aUri,

   // A theme's userDisabled value is true if the theme is not the selected skin

   // or if there is an active lightweight theme. We ignore whether softblocking

   // is in effect since it would change the active theme.

   if (isTheme(addon.type)) {

     addon.userDisabled = !!LightweightThemeManager.currentTheme ||

                          addon.internalName != XPIProvider.selectedSkin;

   } else {

-    addon.userDisabled = false;

+    addon.userDisabled = getRDFProperty(ds, root, "userDisabled") == "true";

   }

   addon.softDisabled = addon.blocklistState == nsIBlocklistService.STATE_SOFTBLOCKED;

   addon.applyBackgroundUpdates = AddonManager.AUTOUPDATE_DEFAULT;

   // icons will be filled by the calling function

   addon.icons = {};

   addon.userPermissions = null;