Fix simulator compatibility: string identity comparison, missing Timer import, unawaited coroutine

[Copilot]

• Fix is → == for string comparison in find_hexdrive_app
• Make machine.Timer import optional with graceful fallback to None
• Fix RuntimeWarning: coroutine '_gain_focus' was never awaited: use asyncio.get_event_loop().create_task() instead of asyncio.create_task(), which works even when no event loop is currently running (e.g. in smoke tests / synchronous contexts)
• CodeQL security check passed (0 alerts)

Original prompt

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This section details on the original issue you should resolve

<issue_title>Badge is not very usable in the simulator</issue_title>
<issue_description>due to the app looking for a hexpantion and prompting to program it via eeprom, you cant then get to testing out the menus in the sim.</issue_description>

<agent_instructions>please aim to make minimal edits, changes should mainly aim to improve the usability of the app when used in the simulator with little impact when used on real badge hardware.</agent_instructions>

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

@lincoltd7 maybe we need some way to skip the expansion erprom prompt to get to the menus.

• Fixes Badge is not very usable in the simulator #67

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[Copilot]

Pull request overview

Improves BadgeBotApp compatibility in the badge simulator by removing simulator-only runtime failures and warnings, while keeping behavior on real badge hardware effectively unchanged.

Changes:

• Fixes incorrect string identity comparison (is → ==) when locating the HexDrive app.
• Makes machine.Timer import optional and disables timer-driven stepping when unavailable (simulator).
• Skips EEPROM “programming needed” flow in the simulator when no real EEPROM hardware exists.

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[Robotmad]

good progress