New version of captcha when hiding bubble sets visibility to hidden and doesn't always go offscreen.

src/Posting/Captcha.v2.coffee

@@ -241,6 +241,7 @@ Captcha.v2 =
   fixBubble: (node) ->
     {bottom, right, width} = node.getBoundingClientRect()
     if (
+      getComputedStyle(node).visibility isnt 'hidden' and
       bottom > 0 and          # not deliberately offscreen
       right > doc.clientWidth # offscreen to right
     )

src/Posting/QR.coffee

@@ -154,7 +154,8 @@ QR =
 
   inBubble: ->
     bubbles = $$ 'iframe[src^="https://www.google.com/recaptcha/api2/frame"]'
-    d.activeElement in bubbles or bubbles.some((el) -> el.getBoundingClientRect().bottom > 0)
+    d.activeElement in bubbles or bubbles.some (el) ->
+      getComputedStyle(el).visibility isnt 'hidden' and el.getBoundingClientRect().bottom > 0
 
   inCaptcha: ->
     (d.activeElement?.nodeName is 'IFRAME' and QR.nodes.el.contains(d.activeElement)) or (QR.hasFocus and QR.inBubble())