test(e2e): Add tests for Recent Objects (#6270)

* test(e2e): add test for recent objects target

* test(e2e): Add RecentObjects tests

- Test for 'target button' scroll and animation

- Test for persistence on refresh

- Test for displaying objects and aliases uniquely

* test(e2e): add test for recent objects limit

* refactor: compress to a single line

* test(e2e): recents max limit test nests objects

- Do deep nesting of objects instead of flat objects

- Collapse the tree completely and then test the "target" button for the most deeply nested item

* test(e2e): update locator to not use `nth(i)`

src/ui/layout/RecentObjectsList.vue

@@ -4,6 +4,7 @@
 >
     <ul
         class="c-tree-and-search__tree c-tree c-tree__scrollable"
+        aria-label="Recent Objects"
     >
         <recent-objects-list-item
             v-for="(recentObject) in recentObjects"

src/ui/layout/RecentObjectsListItem.vue

@@ -54,6 +54,7 @@
     <div class="c-recentobjects-listitem__target-button">
         <button
             class="c-icon-button icon-target"
+            :aria-label="`Open and scroll to ${domainObject.name}`"
             @click="openAndScrollTo(navigationPath)"
         ></button>
     </div>