fix nav projects dropdown menu overflow due to bootstrap 4 upgrade

app/assets/stylesheets/framework/dropdowns.scss

@@ -35,6 +35,12 @@
     @include media-breakpoint-down(xs) {
       width: 100%;
     }
+
+    &.projects-dropdown-menu {
+      padding: 0;
+      overflow-y: initial;
+      max-height: initial;
+    }
   }
   .dropdown-toggle,

app/assets/stylesheets/framework/header.scss

@@ -297,12 +297,6 @@
   display: flex;
   margin: 0 0 0 6px;
-  .projects-dropdown-menu {
-    padding: 0;
-    overflow-y: initial;
-    max-height: initial;
-  }
-
   .dropdown-chevron {
     position: relative;
     top: -1px;