Added sticky in lac banner

Author: konarshankar07

app/code/Magento/LoginAsCustomerFrontendUi/view/frontend/templates/html/notices.phtml

@@ -11,7 +11,9 @@
 $viewFileUrl = $block->getViewFileUrl('Magento_LoginAsCustomerFrontendUi::images/magento-icon.svg');
 ?>
 <?php if ($block->getConfig()->isEnabled()): ?>
-    <div  data-bind="scope: 'loginAsCustomer'" >
+    <div class="lac-notification-sticky"
+         data-mage-init='{"sticky":{"container": "body"}}'
+         data-bind="scope: 'loginAsCustomer'" >
         <div class="lac-notification clearfix" data-bind="visible: isVisible" style="display: none">
             <div class="top-container">
                 <div class="lac-notification-icon wrapper">

app/code/Magento/LoginAsCustomerFrontendUi/view/frontend/web/css/source/_module.less

@@ -16,43 +16,47 @@
 //  ---------------------------------------------
 
 & when (@media-common = true) {
-    .lac-notification {
-        background-color: @lac-notification-background-color;
-        color: @lac-notification-color;
-        font-size: 16px;
+    .lac-notification-sticky {
+        position: relative;
+        z-index: 999;
+        .lac-notification {
+            background-color: @lac-notification-background-color;
+            color: @lac-notification-color;
+            font-size: 16px;
 
-        .lac-notification-icon {
-            float: left;
-            margin: 10px 25px 10px 10px;
+            .lac-notification-icon {
+                float: left;
+                margin: 10px 25px 10px 10px;
 
-            .logo-img {
-                display: block
+                .logo-img {
+                    display: block
+                }
             }
-        }
 
-        .lac-notification-text {
-            float: left;
-            padding: 15px 0;
-        }
+            .lac-notification-text {
+                float: left;
+                padding: 15px 0;
+            }
 
-        .lac-notification-links {
-            float: right;
-            padding: 15px 0;
+            .lac-notification-links {
+                float: right;
+                padding: 15px 0;
 
-            a {
-                color: @lac-notification-links-color;
-                font-size: 14px;
-            }
+                a {
+                    color: @lac-notification-links-color;
+                    font-size: 14px;
+                }
 
-            .lac-notification-close-link {
-                &:after {
-                    background: url('../Magento_LoginAsCustomerFrontendUi/images/close.svg');
-                    content: ' ';
-                    display: inline-block;
-                    height: 12px;
-                    margin-left: 5px;
-                    vertical-align: middle;
-                    width: 12px;
+                .lac-notification-close-link {
+                    &:after {
+                        background: url('../Magento_LoginAsCustomerFrontendUi/images/close.svg');
+                        content: ' ';
+                        display: inline-block;
+                        height: 12px;
+                        margin-left: 5px;
+                        vertical-align: middle;
+                        width: 12px;
+                    }
                 }
             }
         }