* revert auto tmux attach logic for only if TMUX is empty and if SSH_CONNECTION is active

* use tmux 3+ config by default
* fix default EDITOR set to vim
* remove unnecessary PATH definition (previously used for correct environment for proxmox pct enter command)

.bashrc

@@ -79,6 +79,6 @@ export LC_ALL=en_US.UTF-8
 export LANG=ru_RU.UTF-8
 
 # auto into tmux session
-if [[ -n "$PS1" ]] && [[ -z "$TMUX" ]] || [[ -n "$PS1" ]] && [[ $TMUX == *"//"* ]]; then
+if [[ -n "$PS1" ]] && [[ -z "$TMUX" ]] && [[ -n "$SSH_CONNECTION" ]]; then
   sudo tmux attach || sudo tmux
 fi