Removing scrollable for fixing UI

app/assets/stylesheets/page_bundles/escalation_policies.scss

@@ -42,3 +42,9 @@ $stroke-size: 1px;
     @include gl-w-full;
   }
 }
+
+.escalation-email-user-dropdown {
+  .show.dropdown .dropdown-menu {
+    max-height: 300px;
+  }
+}

ee/app/assets/javascripts/escalation_policies/components/add_edit_escalation_policy_modal.vue

@@ -222,7 +222,6 @@ export default {
     :title="title"
     :action-primary="actionsProps.primary"
     :action-cancel="actionsProps.cancel"
-    scrollable
     @primary.prevent="isEditMode ? updateEscalationPolicy() : createEscalationPolicy()"
     @canceled="resetForm"
     @close="resetForm"

ee/app/assets/javascripts/escalation_policies/components/user_select.vue

@@ -114,6 +114,7 @@ export default {
     :loading="loading"
     :placeholder="placeholderText"
     container-class="rule-control"
+    class="escalation-email-user-dropdown"
     @text-input="filterUsers"
     @token-add="emitUserUpdate"
   >