Fix shown but broken GitLab snippets
Fix shown but broken GitLab snippets

To provide a GitLab integration we need the GitLab integration to be
configured. Otherwise we shouldn't show the Snippet button.

This patch adds the requirement to the variable that decides if the
import from snippets button shows up or not.

Signed-off-by: Sheogorath <1c2647ce2ee8a4ec8e5c8b1b245ca38f94844bab@shivering-isles.com>

jackycute/HackMD,jackycute/HackMD,hackmdio/hackmd,hackmdio/hackmd,jackycute/HackMD,hackmdio/hackmd