Bug fix in ActionBar: When collapsed the menu and tooltips aren't visible in Firefox (#2478)

Author: jonrohan

.changeset/smart-insects-cheat.md

@@ -0,0 +1,5 @@
+---
+"@primer/view-components": patch
+---
+
+Bug fix in ActionBar: When collapsed the menu and tooltips aren't visible in Firefox

app/components/primer/alpha/action_bar_element.ts

@@ -50,7 +50,13 @@ class ActionBarElement extends HTMLElement {
     resizeObserver.observe(this)
     instersectionObserver.observe(this)
 
-    requestAnimationFrame(() => this.update())
+    requestAnimationFrame(() => {
+      // This overflow visible is needed for browsers that don't support PopoverElement
+      // to ensure the menu and tooltips are visible when the action bar is in a collapsed state
+      // once popover is fully supported we can remove this.style.overflow = 'visible'
+      this.style.overflow = 'visible'
+      this.update()
+    })
   }
 
   disconnectedCallback() {