fix(paxos): re-commit logs even when there are no checkpoints (#1639) #1007

Job	Run time
pre_job	7s
macos-universal (universal2-apple-darwin)	4m 4s
linux-cross (aarch64-unknown-linux-gnu, aarch64)	3m 30s
linux (x86_64-unknown-linux-gnu)	3m 30s
linux-cross (armv7-unknown-linux-gnueabihf, armv7)	3m 42s
linux (i686-unknown-linux-gnu)	4m 33s
windows (x86_64-pc-windows-msvc, x64)	11m 58s
windows (i686-pc-windows-msvc, x86)	11m 10s
windows (aarch64-pc-windows-msvc, x64)	13m 45s
Release	0s
	56m 19s

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