Update acceptance tests to match updated structure

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

tests/acceptance/features/bootstrap/FilesAppContext.php

@@ -191,7 +191,7 @@ public static function shareLinkCheckbox() {
 		// forThe()->checkbox("Share link") can not be used here; that would
 		// return the checkbox itself, but the element that the user interacts
 		// with is the label.
-		return Locator::forThe()->xpath("//label[normalize-space() = 'Share link']")->
+		return Locator::forThe()->xpath("//*[@id='shareLink']//label[normalize-space() = 'Enable']")->
 				descendantOf(self::detailsView())->
 				describedAs("Share link checkbox in the details view in Files app");
 	}