Fix editor bugs (#1281)

* focus editor on reply click

* fix emoji and sticker img object-fit

* fix cursor not moving with autocomplete

* stop sanitizing sending plain text body

* improve autocomplete query parsing

* add escape to turn off active editor toolbar item

src/app/components/emoji-board/EmojiBoard.tsx

@@ -373,6 +373,7 @@ function ImagePackSidebarStack({
               style={{
                 width: toRem(24),
                 height: toRem(24),
+                objectFit: 'contain',
               }}
               src={mx.mxcUrlToHttp(pack.getPackAvatarUrl(usage) ?? '') || pack.avatarUrl}
               alt={label || 'Unknown Pack'}