Apply fixes from StyleCI · FriendsOfFlarum/best-answer@d2f68b8

The job was canceled because "_7_3" failed.

Ternary operator condition is always true.

Access to an undefined property Flarum\Discussion\Discussion::$is_private.

Access to an undefined property Flarum\Discussion\Discussion::$user_id.

Access to an undefined property Flarum\Discussion\Discussion::$tags.

Negated boolean expression is always false.

Negated boolean expression is always false.

Result of && is always false.

Left side of && is always true.

Call to an undefined method Flarum\Discussion\Discussion::tags().

Call to an undefined method Flarum\Discussion\Discussion::tags().

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