[Feature] Improve UX: Support Direct Screenshot Pasting into Chat via Clipboard

Problem

problem of copy pasting any image in accomplish directly in the chat

Additional Context

when i was using accomplish today i screenshot a stuff related to my work and when i tried to press ctrl + v to paste that screenshot in the chat of accomplish it was not taking that ... I need to go in attach file and then find my screenshot which was time consuming so when user screenshot something related to there work and want to instantly paste to accomplish chat the chat should accept the png image please.