do not check fbs nodes for unknown property

Author: Brian Staman Ogilvie

lib/rules/no-unknown-property.js

@@ -544,7 +544,7 @@ module.exports = {
 
         const tagName = getTagName(node);
 
-        if (tagName === 'fbt') { return; } // fbt nodes are bonkers, let's not go there
+        if (tagName === 'fbt' || tagName === 'fbs') { return; } // fbt/fbs nodes are bonkers, let's not go there
 
         if (!isValidHTMLTagInJSX(node)) { return; }