CSS: elements are hidden when either offsetWidth or offsetHeight is zero

- Note: this is a breaking change that has been delayed for several versions.

Fixes #10406
Fixes #13132

Conflicts:
	src/css/hiddenVisibleSelectors.js

src/css/hiddenVisibleSelectors.js

@@ -8,7 +8,9 @@ define([
 jQuery.expr.filters.hidden = function( elem ) {
 	// Support: Opera <= 12.12
 	// Opera reports offsetWidths and offsetHeights less than zero on some elements
-	return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
+	// Use OR instead of AND as the element is not visible if either is true
+	// See tickets #10406 and #13132
+	return elem.offsetWidth <= 0 || elem.offsetHeight <= 0 ||
 		(!support.reliableHiddenOffsets() &&
 			((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
 };