add focusSendBoxInput method #2156

Job	Run time
Build	2m 57s
Static code analysis	2m 50s
Unit test	2m 43s
Build samples	30s
Type definitions test	2m 51s
Merge test snapshots	4s
Merge test results	4s
HTML test (${{ format('{0}/{1}', matrix.shard-index, matrix.shard-count) }})	0s
	11m 59s

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