feat(widgets) Read messages from event cach (instead of fetching the from the HS) + backpagination

[toger5]

• I've documented the public API Changes in the appropriate CHANGELOG.md files.
• This PR was made with the help of AI.

Signed-off-by:

[codspeed-hq]

Merging this PR will degrade performance by 39.67%

❌ 1 regressed benchmark
✅ 49 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Simulation	Restore session [memory store]	166.1 ms	275.3 ms	-39.67%

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_{Comparing toger5/widet-driver-fixes (25a45f9) with main (3db4767)}