Merge pull request #21173 from steveck-chung/bug-1022644-for-v1.3t

Bug 1022644 - [Messages] Can't open the recipient panel if there are only 2 lines of recipients. r=azasypkin(cherry picked from commit 366bf651ac320c8ccc458f08ece01f2b8aadfa1c)

Conflicts:

	apps/sms/test/unit/recipients_test.js
Merge pull request #21220 from steveck-chung/bug-1022644-for-v1.4

Bug 1022644 - [Messages] Can't open the recipient panel if there are only 2 lines of recipients. r=azasypkin