enter: fix shell when entering initful container after Fix #1275

Signed-off-by: Luca Di Maio <luca.dimaio1@gmail.com>

distrobox-enter

@@ -77,7 +77,7 @@ headless=0
 [ "$(id -ru)" -eq 0 ] && rootful=1 || rootful=0
 skip_workdir=0
 verbose=0
-version="1.7.0"
+version="1.7.0.1"
 
 # Source configuration files, this is done in an hierarchy so local files have
 # priority over system defaults
@@ -333,6 +333,10 @@ generate_command() {
 			container_command_login="${container_command_login} --pty"
 		fi
 		container_command_login="${container_command_login} -c \"\\\$(getent passwd ${USER} | cut -f 7 -d :) -l\""
+		if [ -n "${container_command}" ]; then
+			container_command="$(echo "${container_command}" | sed 's/\$/\\\$/g')"
+			container_command="${container_command_login} -c \"${container_command}\""
+		fi
 	else
 		result_command="${result_command}
 			--user=\"${USER}"\"