test: mark fullText in sakila/film as NULLABLE

Signed-off-by: Raju Udava <86527202+dstala@users.noreply.github.com>

packages/nocodb/tests/pg-sakila-db/01-postgres-sakila-schema.sql

@@ -168,7 +168,7 @@ CREATE TABLE film (
     rating mpaa_rating DEFAULT 'G'::mpaa_rating,
     last_update timestamp without time zone DEFAULT now() NOT NULL,
     special_features text[],
-    fulltext tsvector NOT NULL
+    fulltext tsvector
 );