Fix Hub75 options appearing in dynamically added LED outputs

[Copilot]

Hub75 LED matrix types (values 101-108) were incorrectly shown in LED type dropdowns for outputs added via the "+" button when builds lacked WLED_ENABLE_HUB75MATRIX support. First output filtered correctly; subsequent ones did not.

Changes

• wled00/data/settings_leds.htm: Call hideHub75() after inserting new LED output HTML in addLEDs() function

The existing hideHub75() function removes Hub75 options from all LED type selects when Hub75 support is not compiled in. It was only invoked on page load by the backend, missing dynamically created outputs.

function addLEDs(n,init=true) {
  // ... HTML insertion code ...
  f.insertAdjacentHTML("beforeend", cn);
  hideHub75(); // remove Hub75 options if not supported
}

Screenshot

LED type dropdown after adding new output (Hub75 options correctly excluded):

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• wled00
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Original prompt

---

This section details on the original issue you should resolve

<issue_title>Hub75 shown in output list incorrectly</issue_title>
<issue_description>For builds without hub75 support, it should not be listed in the led type drop-down. This works currently for the first output, but it's incorrectly included for the later outputs </issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Hub75 shown in output list incorrectly #300

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[softhack007]

there is another PR that seems to do the same

• Fix Hub75 options showing in additional LED outputs without support #265

which one is correct? or both work?