cismenu: add cis-main-menu class to main nav, add li elements to ul, style cis-main-menu ul and li to prevent interferec with cms content styles, add draggable false to cis menu entries to improve menu scrolling especially on mobile devices

public/css/Cis4/Cis.css

@@ -853,4 +853,20 @@ html {
 	border: 1px solid rgba(0, 0, 0, 0.15);
 	border-radius: 0.5rem;
 	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
-}
+}
+
+.cis-main-menu {
+	max-width: 100vw;
+}
+
+.cis-main-menu ul {
+	list-style: none;
+	margin: 0;
+	padding: 0;
+}
+
+.cis-main-menu ul li {
+	margin: 0;
+	padding: 0;
+	width: 100%;
+}

public/js/components/Cis/Menu.js

@@ -186,7 +186,7 @@ export default {
 		</div>
 	</div>
 
-    <nav id="nav-main" class="offcanvas offcanvas-start" tabindex="-1" aria-labelledby="nav-main-btn" data-bs-backdrop="false">
+    <nav id="nav-main" class="cis-main-menu offcanvas offcanvas-start" tabindex="-1" aria-labelledby="nav-main-btn" data-bs-backdrop="false">
 		<div id="nav-main-sticky">
 			<div class="d-flex flex-row h-100">
 				<div class="offcanvas-body p-0">

public/js/components/Cis/Menu/Entry.js

@@ -162,6 +162,7 @@ export default {
 			<div class="btn-group w-100">
  				<a :target="target" 
  					:href="(entry.menu_open && hasFullLink) ? entry.url : null"
+					draggable="false"
 					@click="toggleCollapse"
                     :class="{
                         'btn btn-default rounded-0 text-start': true,
@@ -180,12 +181,15 @@ export default {
             </div>
             <ul ref="children"
                 class="nav w-100 collapse">
-                <cis-menu-entry :highestMatchingUrlCount="highestMatchingUrlCount" :activeContent="activeContent" v-for="child in entry.childs" :key="child" :entry="child" :level="level + 1"/>
+				<li>
+					<cis-menu-entry :highestMatchingUrlCount="highestMatchingUrlCount" :activeContent="activeContent" v-for="child in entry.childs" :key="child" :entry="child" :level="level + 1"/>
+				</li>
             </ul>
         </template>
 		<a v-else
             :href="entry.url"
             :target="target"
+			draggable="false"
             :class="{
                 'btn btn-default rounded-0 w-100 text-start': true,
                 ['btn-level-' + level]: true,