[AC-3394] refactor: use typing event to indicate bot is responding

[bang9]

Changes

• use typing event to indicate bot is responding

ticket: AC-3394

Additional Notes

Checklist

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[github-actions]

Size Change: +33 B (+0.01%)

Total Size: 603 kB

Filename	Size	Change
./dist/__bundle-46d64517-********.js	4.01 kB	-1 B (-0.02%)
./dist/__bundle-b5ef7de4-********.js	889 B	-1 B (-0.11%)
./dist/index-********.js	306 kB	+18 B (+0.01%)
./dist/index.es.js	171 B	-2 B (-1.16%)
./dist/index.umd.js	283 kB	+34 B (+0.01%)
./dist/Placeholder.error-********.js	342 B	-4 B (-1.16%)
./dist/Placeholder.loading-********.js	184 B	-2 B (-1.08%)
./dist/Placeholder.noChannels-********.js	179 B	-4 B (-2.19%)
./dist/Placeholder.noMessages-********.js	179 B	-4 B (-2.19%)
./dist/PlaceholderCommon-********.js	245 B	-2 B (-0.81%)
./dist/style.css	8.68 kB	+1 B (+0.01%)

ℹ️ View Unchanged

Filename	Size
./dist/__bundle-7c3d40f4-********.js	21 B

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