Fix history scrolling.

frontend/src/app/shared/components/history/history-list.component.scss

@@ -5,6 +5,10 @@
     padding-right: .25rem;
 }
 
+:host {
+    overflow-y: auto;
+}
+
 :host ::ng-deep {
     .user-ref {
         font-weight: 500;

frontend/src/app/shared/components/history/history.component.html

@@ -1,3 +1,3 @@
-<sqx-layout titleText="i18n:history.title" [width]="20" titleIcon="time" [white]="true" [padding]="true">
+<sqx-layout layout="simple" titleText="i18n:history.title" [width]="20" titleIcon="time" [white]="true">
     <sqx-history-list [events]="events | async"></sqx-history-list>
 </sqx-layout>

frontend/src/app/shared/components/history/history.component.scss

@@ -1,2 +1,12 @@
 @import 'mixins';
 @import 'vars';
+
+sqx-history-list {
+    display: flex;
+    flex-direction: column;
+    flex-grow: 1;
+    height: 100%;
+    overflow-x: hidden;
+    overflow-y: auto;
+    padding: $panel-padding;
+}