fix: disable input when offline

[liamcho]

Ticket

https://sendbird.atlassian.net/browse/AC-3495

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[github-actions]

Size Change: -3.16 kB (-0.51%)

Total Size: 615 kB

Filename	Size	Change
./dist/__bundle-2aa1a987-********.js	0 B	-2.63 kB (removed)	🏆
./dist/__bundle-347d730c-********.js	0 B	-4.01 kB (removed)	🏆
./dist/__bundle-95b1bd50-********.js	0 B	-892 B (removed)	🏆
./dist/index-********.js	313 kB	+734 B (+0.24%)
./dist/index.es.js	172 B	+1 B (+0.58%)
./dist/index.umd.js	289 kB	-1.28 kB (-0.44%)
./dist/style.css	7.93 kB	-19 B (-0.24%)
./dist/__bundle-46d64517-********.js	4.01 kB	+4.01 kB (new file)	🆕
./dist/__bundle-5fc1ab34-********.js	892 B	+892 B (new file)	🆕
./dist/__bundle-7c3d40f4-********.js	21 B	+21 B (new file)	🆕

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