Fix secondary nav margin handling

app/assets/javascripts/ee_trial_banner/ee_trial_banner.js

@@ -4,12 +4,14 @@ export default class EETrialBanner {
   constructor($trialBanner) {
     this.COOKIE_KEY = 'show_ee_trial_banner';
     this.$trialBanner = $trialBanner;
-    this.$navbar = this.$trialBanner.siblings('.js-navbar-gitlab');
+    this.$mainNavbar = this.$trialBanner.siblings('.js-navbar-gitlab');
+    this.$secondaryNavbar = this.$mainNavbar.siblings('.js-page-with-sidebar');
 
     this.licenseExpiresOn = new Date(this.$trialBanner.data('license-expiry'));
   }
 
   init() {
+    // Wait for navbars to render before querying
     this.setCookies();
     this.$trialBanner.on('close.bs.alert', e => this.handleTrialBannerDismiss(e));
   }
@@ -72,13 +74,27 @@ export default class EETrialBanner {
     }
   }
 
+  toggleMainNavbarMargin(state) {
+    if (this.$mainNavbar.length) {
+      this.$mainNavbar.toggleClass('has-trial-banner', state);
+    }
+  }
+
+  toggleSecondaryNavbarMargin(state) {
+    if (this.$secondaryNavbar.length) {
+      this.$secondaryNavbar.toggleClass('has-trial-banner', state);
+    }
+  }
+
   toggleBanner(state) {
     this.$trialBanner.toggleClass('hidden', !state);
-    this.$navbar.toggleClass('has-trial-banner', state);
+    this.toggleMainNavbarMargin(state);
+    this.toggleSecondaryNavbarMargin(state);
   }
 
   handleTrialBannerDismiss() {
-    this.$navbar.removeClass('has-trial-banner');
+    this.toggleMainNavbarMargin(false);
+    this.toggleSecondaryNavbarMargin(false);
     if (Cookies.get(this.COOKIE_KEY)) {
       Cookies.set(this.COOKIE_KEY, 'false');
     }