Fix blockchain sync progress #2596

Job	Run time
linter	34s
linter_gui	1m 54s
unit_tests (1.63, ubuntu-latest)	3m 9s
unit_tests (1.63, macOS-latest)	3m 4s
unit_tests (1.63, windows-latest)	4m 39s
unit_tests (nightly, ubuntu-latest)	58s
unit_tests (nightly, macOS-latest)	1m 17s
unit_tests (nightly, windows-latest)	2m 0s
unit_tests_gui (1.71.1, ubuntu-latest)	3m 38s
unit_tests_gui (1.71.1, macOS-latest)	2m 28s
unit_tests_gui (1.71.1, windows-latest)	6m 2s
unit_tests_gui (nightly, ubuntu-latest)	2m 52s
unit_tests_gui (nightly, macOS-latest)	2m 51s
unit_tests_gui (nightly, windows-latest)	5m 55s
	41m 21s

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