* [Improvement] Improve mentions
This PR focuses on improving command, emoji, channel and user mentions.
* [Tests] Added e2e tests for mention improvement
* [Improvement] Modify slash command mention logic.
Added slash command with argument preview
Slash command should show only if the message bigins with /
* Return data on search for empty text
* Minor fixes
* Update e2e tests
* Minor fix
* [FIX] allow command mentioning in between text
Co-authored-by: Diego Mello <diegolmello@gmail.com>