stuck "Loading..." indication
I have a wt widget element embedded in my page. The page is often used in a mobile environment where the wt websocket is disconnected and reconnect. Mostly this works. However sometimes the wt injected, "loading..." indication gets stuck at the top of the web page screen and does not go away even though the connection is fine and everything is functional.
The easiest way to reproduce this is to pause the execution of the server when a client is connected and using websockets. After many minutes, the websocket will disconnect and the "loading..." will appear. Durring this time period you see connection attempts and handshakes timeing out. All this is good. However, when execution on the server is resumed, you get a bunch of 'WebSocket handshake: 403' errors before it reconnects successfully and everything is fine except tat the "loading..." is still shown on top of my UI. I've also seen this happen under normal operations where a websocket error of 'failed: could not decode a text frame as UTF-8' shows up in the console.
This is using Wt 4.2.1
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