Fixes to the sort timestamp of messages #13075

Job	Run time
Check provider database	5s
Rust doc comments	32s
cargo deny	30s
Lint Rust	1m 48s
Build C library (ubuntu-latest)	6m 31s
Build C library (macos-latest)	8m 40s
Python lint	16s
Build deltachat-rpc-server (ubuntu-latest)	6m 4s
Rust tests (ubuntu-latest, 1.74.1)	2m 41s
Build deltachat-rpc-server (macos-latest)	4m 3s
Rust tests (windows-latest, 1.74.1)	7m 36s
Build deltachat-rpc-server (windows-latest)	4m 57s
Rust tests (macos-latest, 1.74.1)	6m 44s
Rust tests (ubuntu-latest, 1.70.0)	3m 0s
JSON-RPC Python tests (ubuntu-latest, 3.12)	1m 24s
JSON-RPC Python tests (macos-latest, 3.12)	1m 35s
JSON-RPC Python tests (windows-latest, 3.12)	2m 16s
JSON-RPC Python tests (ubuntu-latest, pypy3.10)	1m 31s
JSON-RPC Python tests (macos-latest, pypy3.10)	1m 50s
JSON-RPC Python tests (ubuntu-latest, 3.7)	1m 12s
CFFI Python tests (ubuntu-latest, 3.12)	4m 30s
CFFI Python tests (macos-latest, 3.12)	5m 24s
CFFI Python tests (ubuntu-latest, pypy3.10)	5m 49s
CFFI Python tests (macos-latest, pypy3.10)	7m 38s
CFFI Python tests (ubuntu-latest, 3.7)	5m 59s
	1h 32m 35s

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