chore: message related style adjustments

[arnautov-anton]

🎯 Goal

• remove inline paddings from reply button & message if it contains emojis only (no bubble)
• remove box shadow from bottom-positioned reactions

before/after

[github-actions]

Size Change: -19 B (0%)

Total Size: 429 kB

Filename	Size	Change
./dist/css/index.css	42.2 kB	-19 B (-0.05%)

ℹ️ View Unchanged

Filename	Size
./dist/audioProcessing-BbOs2wMd.js	1.32 kB
./dist/Channel-CtjGqF4y.js	20.2 kB
./dist/ChannelPreview-7kWxXGw8.js	13.8 kB
./dist/cjs/emojis.js	2.98 kB
./dist/cjs/experimental.js	3.81 kB
./dist/cjs/index.js	214 kB
./dist/cjs/mp3-encoder.js	1.27 kB
./dist/css/v2/emoji-mart.css	1.84 kB
./dist/css/v2/emoji-replacement.css	300 B
./dist/css/v2/index.css	39.4 kB
./dist/css/v2/index.layout.css	22.8 kB
./dist/limits-CxyAOSJp.js	65.2 kB

_{compressed-size-action}