Port twbs#19088 to v3

cvrebert · cvrebert · commit 0119e334a1c2 · 2016-03-10T22:36:26.000-08:00
Add Wall of Browser Bugs entry for https://webkit.org/b/153856 Refs twbs#14839 (comment) [ci skip]
diff --git a/docs/_data/browser-bugs.yml b/docs/_data/browser-bugs.yml
@@ -340,6 +340,16 @@
   origin: >
     Bootstrap#14839
 
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Scroll gesture in text field in `position:fixed` element sometimes scrolls `<body>` instead of scrollable ancestor
+  upstream_bug: >
+    WebKit#153856
+  origin: >
+    Bootstrap#14839
+
 -
   browser: >
     Safari (iPad Pro)
