Swap RichText (#2934)

* Switch to new RT

* Allow early exit from links

* Build in tracking to text atoms

* Clean up FeedSourceCard

* Clean up leading after new default

* Add deprecated notice

src/components/Link.tsx

@@ -51,11 +51,12 @@ type BaseLinkProps = Pick<
   warnOnMismatchingTextChild?: boolean
 
   /**
-   * Callback for when the link is pressed.
+   * Callback for when the link is pressed. Prevent default and return `false`
+   * to exit early and prevent navigation.
    *
    * DO NOT use this for navigation, that's what the `to` prop is for.
    */
-  onPress?: (e: GestureResponderEvent) => void
+  onPress?: (e: GestureResponderEvent) => void | false
 
   /**
    * Web-only attribute. Sets `download` attr on web.
@@ -82,7 +83,9 @@ export function useLink({
 
   const onPress = React.useCallback(
     (e: GestureResponderEvent) => {
-      outerOnPress?.(e)
+      const exitEarlyIfFalse = outerOnPress?.(e)
+
+      if (exitEarlyIfFalse === false) return
 
       const requiresWarning = Boolean(
         warnOnMismatchingTextChild &&