Mi/Xiaomi Desklamps: fix ignore_efuse_custom_mac, update component usage

[mjbogusz]

Brief description of the changes

As per esphome/issues#6333, since esphome 2024.10 the ignore_efuse_mac_crc flag is not enough - this PR adds the missing ignore_efuse_custom_mac to the affected devices.

I also took the liberty to update the component usage in provided example configs to their up-to-date recommended structures (e.g. ota as a list); Additionally I've re-enabled web_server and captive_portal, previously unavailable in esp-idf.

I've verified the updated config on a 1S model; Pro is virtually identical, at least pinout-wise.

If preferred, I can split out the changes into a minimal efuse flag fix and a separate commit/PR for the rest.

Type of changes

• New device
• Update existing device
• Removing a device
• General cleanup
• Other

Checklist:

• There are no passwords or secrets references in any examples.
  The only exceptions are !secret wifi_ssid and !secret wifi_password.
• The wifi or ethernet block has no static / manual ip address specified.
• The first configuration provided should be hardware definitions only.
  A more involved example can be provided in a separate configuration block.

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