[IMP] devtools: add border for new animation frame

This commit adds a colored border between events in list view when
a new animation frame was created.

tools/devtools/src/devtools_app/devtools_window/profiler_tab/event/event.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <templates xml:space="preserve">
   <t t-name="devtools.Event" owl="1">
-    <div class="event-container">
+    <div class="event-container" t-att-class="{ 'event-last': props.event.isLast }">
       <div class="my-0 p-0 object-line" t-on-click.stop="toggleDisplay">
         <div class="ps-2 text-nowrap">
           <i class="fa px-1 pointer-icon caret"

tools/devtools/src/devtools_app/store/store.js

@@ -784,6 +784,7 @@ function loadEvents(events) {
     }
     event.origin = null;
     event.toggled = false;
+    event.isLast = false;
     // Logic to retrace the origin of the event if it is not a root render event
     if (!event.type.includes("render")) {
       for (let i = store.events.length - 1; i >= 0; i--) {
@@ -833,6 +834,7 @@ function loadEvents(events) {
     // Make sure we add the event while keeping the whole list ordered by id
     addEventSorted(event);
   }
+  store.events[store.events.length - 1].isLast = true;
 }
 
 // Deselect component and remove highlight on all children

tools/devtools/src/main.css

@@ -133,6 +133,10 @@
   font-size: 11px;
 }
 
+.event-last {
+  border-bottom: 3px solid rgb(225, 154, 0);
+}
+
 .getter-content:hover {
   text-decoration: underline;
 }