fix: style issue when the selected block is unsupported #964

Job	Run time
Detecting E2E Test Categories	29s
Detecting E2E Test Categories	29s
Test (general)	30m 17s
Test (general)	30m 17s
Test (advanced-label-1)	9m 52s
Test (advanced-label-1)	9m 52s
Test (advanced-label-2)	10m 44s
Test (advanced-label-2)	10m 44s
Test (advanced-label-3)	7m 33s
Test (advanced-label-3)	7m 33s
Test (advanced-label-4)	9m 33s
Test (advanced-label-4)	9m 33s
Test (advanced-label-5)	11m 51s
Test (advanced-label-5)	11m 51s
Test (blocks)	5m 5s
Test (blocks)	5m 5s
Test (blocks-navigation)	3m 43s
Test (blocks-navigation)	3m 43s
Test (bootstrap)	3m 7s
Test (bootstrap)	3m 7s
Test (build)	1m 50s
Test (build)	4m 12s
Test (compatibility)	18m 41s
Test (compatibility)	18m 41s
Test (freemius)	3m 17s
Test (freemius)	3m 17s
Test (inner-blocks)	19m 30s
Test (inner-blocks)	19m 30s
Test (inner-blocks-compatibility)	6m 17s
Test (inner-blocks-compatibility)	6m 17s
Test (panels)	4m 0s
Test (panels)	4m 0s
Test (panels.build)	4m 4s
Test (panels.build)	4m 4s
Test (plugins)	3m 14s
Test (plugins)	3m 14s
Test (woocommerce)	3m 22s
Test (woocommerce)	3m 22s
	5h 15m 20s

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