There is no such (pointless) thing for LTSC. If you have time to waste you can create an updated ISO yourself at home.
Ah that IoT. This is just a virtual SKU, just get any business image then Switch it to IoT using the correct serial number
Still the same Update IDs if you mean you can get it by checking Retail channel, then yes (which is unusual but occurred before)
Any sources for en-gb_windows_10_consumer_editions_version_22h2_updated_july_2023_x64_dvd_f64b568a.iso?
I'm just saying boot.wim was always created from uup set and nothing will change if "Windows 10 Insider Preview 19041.1 (vb_release)" was available as well there's no other source, ForceDism option in ConvertConfig.ini can't fix that too I assume