fix gap between panel heading and timeline menu

src/components/timeline/timeline_quick_settings.vue

@@ -93,7 +93,6 @@
 <style lang="scss">
 
 .TimelineQuickSettings {
-  align-self: stretch;
 
   > button {
     line-height: 100%;

src/components/timeline_menu/timeline_menu.vue

@@ -43,6 +43,10 @@
   min-width: 0;
   width: 24rem;
 
+  .popover-trigger-button {
+    vertical-align: bottom;
+  }
+
   .timeline-menu-popover-wrap {
     overflow: hidden;
     // Match panel heading padding to line up menu with bottom of heading