remove most of jquery

templates/js/_alwaysDisplayed.js

@@ -1,5 +1,5 @@
 var alwaysDisplayed = function() {
-    var elements = document.querySelectorAll('*');
+    var elements = querySelectorAll('*')
     var fixedElements = []
 
     for (var i in elements) {
@@ -25,7 +25,21 @@ var alwaysDisplayed = function() {
             continue
         }
 
-        if (jQuery(element).parents('#side-menu').length) {
+        let elementIsInSideMenu = false
+        let parent = element.parentNode
+
+        while (parent && !elementIsInSideMenu) {
+            try {
+                if  (parent.getAttribute('id') === 'side-menu') {
+                    elementIsInSideMenu = true
+                }
+            } catch (e) {
+            }
+
+            parent = parent.parentNode
+        }
+
+        if (elementIsInSideMenu) {
             continue
         }
 
@@ -56,7 +70,7 @@ if (content && content.classList.contains('app-settings')) {
     }
     const observer = new MutationObserver(() => {
         if (loaded) {
-            return;
+            return
         }
 
         const element = content.querySelector('#app-category-your-apps') || content.querySelector('#app-navigation ul')