Fixed two exceptions on cvat-canvas often occuring on app.cvat.ai #14562

Job	Run time
search_cache / search_cache	6s
build	7m 13s
unit_testing	12m 30s
rest_api_testing	18m 2s
e2e_testing (actions_tasks)	14m 30s
e2e_testing (actions_tasks2)	22m 33s
e2e_testing (actions_tasks3)	18m 35s
e2e_testing (actions_objects)	11m 1s
e2e_testing (actions_objects2)	11m 26s
e2e_testing (actions_users)	8m 42s
e2e_testing (actions_projects_models)	14m 10s
e2e_testing (canvas3d_functionality)	8m 57s
e2e_testing (canvas3d_functionality_2)	7m 50s
e2e_testing (issues_prs)	12m 17s
e2e_testing (issues_prs2)	14m 31s
e2e_testing (features)	13m 13s
codecov	19s
publish_dev_images	0s
	3h 15m 55s

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