git: use interactive mode in gclean

Fixes #7716

plugins/git/git.plugin.zsh

@@ -73,7 +73,7 @@ alias gcsm='git commit -s -m'
 alias gcb='git checkout -b'
 alias gcf='git config --list'
 alias gcl='git clone --recurse-submodules'
-alias gclean='git clean -fd'
+alias gclean='git clean -id'
 alias gpristine='git reset --hard && git clean -dfx'
 alias gcm='git checkout master'
 alias gcd='git checkout develop'