[1.1.1 -> main] fix flat to pruned block log conversion #3437

Job	Run time
Discover Versions	4s
Platform Cache / Discover Platforms	2s
Platform Cache / Build Platforms (none)	2s
Run Build Workflow / Build spring (reproducible)	7m 32s
Run Build Workflow / Build spring (ubuntu22)	8m 24s
Run Build Workflow / Build spring (ubsan)	9m 51s
Run Build Workflow / Build spring (asan)	9m 3s
Run Build Workflow / Build spring (ubuntu20)	9m 1s
Run Build Workflow / Build spring (asserton)	8m 41s
Build deb packages (ubuntu20)	9m 29s
Build deb packages (ubuntu22)	12m 24s
NP Tests (ubuntu20)	6m 26s
LR Tests (ubuntu20)	24m 24s
Build deb packages (reproducible)	10m 13s
Tests (ubuntu20)	3m 30s
LR Tests (ubuntu22)	24m 17s
NP Tests (ubuntu22)	6m 34s
Tests (ubuntu22)	3m 18s
NP Tests (asserton)	6m 34s
LR Tests (asserton)	24m 20s
Tests (asserton)	3m 22s
NP Tests (ubsan)	8m 4s
LR Tests (ubsan)	26m 26s
Tests (ubsan)	4m 9s
NP Tests (ubuntu20repro)	6m 26s
LR Tests (ubuntu20repro)	24m 20s
Tests (asan)	6m 1s
LR Tests (ubuntu22repro)	24m 14s
NP Tests (ubuntu22repro)	6m 21s
Tests (ubuntu20repro)	3m 19s
Tests (ubuntu22repro)	3m 37s
libtester tests (ubuntu22, build-tree)	9m 56s
libtester tests (ubuntu22, make-dev-install)	9m 34s
libtester tests (ubuntu22, deb-install)	3m 56s
All Required Tests Passed	1s
	5h 23m 55s

Provide feedback