Allow QR code logo to be individually disabled #1606

Job	Run time
static-analysis (8.3, cs)	39s
static-analysis (8.3, stan)	35s
static-analysis (8.3, openapi:validate)	13s
api-tests / tests (8.3)	1m 26s
unit-tests / tests (8.3)	27s
api-tests / tests (8.4)	1m 19s
cli-tests / tests (8.3)	37s
unit-tests / tests (8.4)	27s
cli-tests / tests (8.4)	37s
db-tests (maria) / db-tests (8.3)	32s
db-tests (ms) / db-tests (8.3)	58s
db-tests (maria) / db-tests (8.4)	23s
db-tests (ms) / db-tests (8.4)	1m 0s
db-tests (mysql) / db-tests (8.3)	28s
db-tests (mysql) / db-tests (8.4)	38s
db-tests (postgres) / db-tests (8.3)	33s
db-tests (postgres) / db-tests (8.4)	32s
db-tests (sqlite:ci) / db-tests (8.3)	29s
db-tests (sqlite:ci) / db-tests (8.4)	17s
upload-coverage (8.3)	21s
delete-artifacts	3s
	12m 34s

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