Bug 1754437. Optimize FindViewContaining to avoid calling IsVisibleConsideringAncestors more often. r=emilio

Calling IsActive is quick, IsVisibleConsideringAncestors is not so quick.

If IsActive is false then that almost certainly means we'd hit the "not in the selected box of a deck frame" case in IsVisibleConsideringAncestors at

https://searchfox.org/mozilla-central/rev/b697834e78a3ef7613e2fa57c07624b1d9d1c909/layout/generic/nsIFrame.cpp#412

Differential Revision: https://phabricator.services.mozilla.com/D138291

layout/base/PresShell.cpp

@@ -5573,9 +5573,9 @@ static nsView* FindViewContaining(nsView* aRelativeToView,
 
   nsIFrame* frame = aView->GetFrame();
   if (frame) {
-    if (!frame->IsVisibleConsideringAncestors(
+    if (!frame->PresShell()->IsActive() ||
-            nsIFrame::VISIBILITY_CROSS_CHROME_CONTENT_BOUNDARY) ||
+        !frame->IsVisibleConsideringAncestors(
-        !frame->PresShell()->IsActive()) {
+            nsIFrame::VISIBILITY_CROSS_CHROME_CONTENT_BOUNDARY)) {
       return nullptr;
     }