chore: refactor the handling of idle state

[pythonbrad]

Related issue

• resolve all keyboard event should be handle to the main thread #221

Problem

We want the idle state be handled at the main thread. And the rdev::listen thread should just forward the key events. Like that we can easily use the idle state without share memory.

[coveralls]

Pull Request Test Coverage Report for Build 8787969133

Details

• 27 of 27 (100.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.07%) to 98.727%

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Files with Coverage Reduction	New Missed Lines	%
service/src/convert.rs	1	68.75%

Totals
Change from base Build 8787883702:	-0.07%
Covered Lines:	1473
Relevant Lines:	1492

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💛 - Coveralls