fix(zsh): fix an error introduced earilier with support for bracketed paste mode (#2651)

An extra newline was written to the terminal and caused issues. See #2646 (comment).

Author: lilydjwg

crates/atuin/src/shell/atuin.zsh

@@ -61,7 +61,7 @@ _atuin_search() {
     zle reset-prompt
     # re-enable bracketed paste
     # shellcheck disable=SC2154
-    echo ${zle_bracketed_paste[1]} >/dev/tty
+    echo -n ${zle_bracketed_paste[1]} >/dev/tty
 
     if [[ -n $output ]]; then
         RBUFFER=""