Fix Manage plugins widget (#2976) #2464

Job	Run time
Execution tests (3.8, windows-latest)	5m 38s
Unit tests (3.8, windows-latest)	7m 38s
Execution tests (3.8, ubuntu-22.04)	2m 26s
Unit tests (3.8, ubuntu-22.04)	4m 59s
Execution tests (3.9, windows-latest)	4m 47s
Unit tests (3.9, windows-latest)	9m 23s
Execution tests (3.9, ubuntu-22.04)	2m 25s
Unit tests (3.9, ubuntu-22.04)	5m 30s
Execution tests (3.10, windows-latest)	5m 52s
Unit tests (3.10, windows-latest)	9m 25s
Execution tests (3.10, ubuntu-22.04)	2m 24s
Unit tests (3.10, ubuntu-22.04)	5m 26s
Execution tests (3.11, windows-latest)	6m 26s
Unit tests (3.11, windows-latest)	11m 20s
Execution tests (3.11, ubuntu-22.04)	2m 21s
Unit tests (3.11, ubuntu-22.04)	5m 17s
Execution tests (3.12, windows-latest)	5m 51s
Execution tests (3.12, ubuntu-22.04)	2m 28s
Unit tests (3.12, windows-latest)	11m 6s
Unit tests (3.12, ubuntu-22.04)	6m 59s
	1h 57m 41s

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