fix masto link handling

src/components/rich_content/rich_content.jsx

@@ -110,9 +110,19 @@ export default Vue.component('RichContent', {
 
     const renderLink = (attrs, children) => {
       const updatedLink = attrs['href'].replace(/&/g, '&')
-      const updatedChildren = children.map(child => child.replace(attrs['href'], updatedLink))
+      const updatedChildren = children.map(child => {
+        if (typeof child === 'string') {
+          return child.replace(attrs['href'], updatedLink)
+        }
+        if (child[0] === '<span>') {
+          return <span>
+            { child[1] }
+          </span>
+        }
+        return child[1]
+      })
       return <a {...{ attrs }} href={updatedLink}>
-        { updatedChildren }
+        { ...updatedChildren }
       </a>
     }
     // Processor to use with html_tree_converter