[WIP] Add scanning for networks disabled card to WifiButton section

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>ui: add scanning for networks WifiButton card</issue_title>
<issue_description></issue_description>

<agent_instructions>at the end of the wifiui scroller, can you add a blank "scanning for networks" disabled card/button? it needs to ALWAYS stay at the end</agent_instructions>

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

• Fixes ui: add scanning for networks WifiButton card #37441

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[sshane]

@copilot try again