Bump WebSocket max message size to 256 MiB

WebSocket has a default limit for message size of 32 MiB. This is not enough when processing long documents with large images, especially given the overhead of using base64 encoding. Thankfully, the WebSocket constructor has a maxMessageSize argument to specify arbitrary values.

R/chrome.R

@@ -112,7 +112,7 @@ chrome_print = function(
 
   with_temp_loop_maybe({
 
-    ws = websocket::WebSocket$new(get_entrypoint(debug_port, verbose), autoConnect = FALSE)
+    ws = websocket::WebSocket$new(get_entrypoint(debug_port, verbose), autoConnect = FALSE, maxMessageSize = 256 * 1024 * 1024)
     ws$onClose(kill_chrome)
     ws$onError(kill_chrome)
     close_ws = function() {