Organised flag (#988)

* Add organized boolean to scene model (#729)
* Add organized button to scene page
* Add flag to galleries and images
* Import/export changes
* Make organized flag not null
* Ignore organized scenes for autotag

Co-authored-by: com1234 <com1234@notarealemail.com>

pkg/models/modelstest/sql.go

@@ -15,3 +15,10 @@ func NullInt64(v int64) sql.NullInt64 {
 		Valid: true,
 	}
 }
+
+func NullBool(v bool) sql.NullBool {
+	return sql.NullBool{
+		Bool:  v,
+		Valid: true,
+	}
+}