net: convert ESP Wi-Fi OSI time units

[xuchang-vivo]

Summary

• Convert ESP-Radio OSI timeout ticks (1 ms per tick) to microseconds before passing them to BlueOS semaphore and queue APIs.
• Convert task delays from OSI milliseconds to BlueOS ticks.
• Return OSI millisecond ticks from task_ms_to_tick.
• Preserve u32::MAX as the indefinite-wait value.

Testing

• git diff --check
• Build and test commands were not run; explicit build authorization was not provided.