fix some bugs

static/js/conversation.js

@@ -44,6 +44,7 @@ document.querySelectorAll('[data-conversation-workspace]').forEach(workspace=>{
   if(submissionSucceeded){form?.reset();if(input){input.value='';resize()}setComposerOpen(false,false)}else setComposerOpen(hasDraft||replyResult==='error',false);
   composerToggle?.addEventListener('click',()=>setComposerOpen(true));
   workspace.querySelectorAll('[data-composer-close]').forEach(button=>button.addEventListener('click',()=>setComposerOpen(false,false)));
+  workspace.querySelector('[data-dismiss-dispatch-context]')?.addEventListener('click',event=>event.currentTarget.closest('.ticket-dispatch-context')?.remove());
   composer?.addEventListener('keydown',event=>{if(event.key==='Escape'){setComposerOpen(false,false);composerToggle?.focus()}});
   const primarySubmit=form?.querySelector('[data-primary-submit]');
   const guideToPrimarySubmit=event=>{event.preventDefault();event.stopPropagation();if(!primarySubmit)return;primarySubmit.scrollIntoView({behavior:'smooth',block:'center'});primarySubmit.classList.remove('submit-attention');void primarySubmit.offsetWidth;primarySubmit.classList.add('submit-attention');setTimeout(()=>primarySubmit.focus({preventScroll:true}),450)};