🐛 Fix YAML syntax error caused by whitespace in ENV var

Address the following error, found during demo deployment:

  rake aborted!
  Cannot load database configuration:
  YAML syntax error occurred while parsing /caseflow/config/database.yml. Please note that YAML must be consistently indented using spaces. Tabs are not allowed. Error: (<unknown>): could not find expected ':' while scanning a simple key at line 49 column 5

docker-bin/env.sh

@@ -13,8 +13,7 @@ export REDIS_URL_SIDEKIQ=redis://appeals-redis:6379
 # envs to make development work in docker without affecting other devs
 export DOCKERIZED=true
 export DEMO_PORT=1521
-export DEMO_DB="(DESCRIPTION=
-    (ADDRESS_LIST=(ADDRESS=(PROTOCOL=tcp)(HOST=VACOLS_DB-development)(PORT=1521)))(RECV_TIMEOUT=120)(SEND_TIMEOUT=5)(CONNECT_DATA=(SID=BVAP)))"
+export DEMO_DB="(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=tcp)(HOST=VACOLS_DB-development)(PORT=1521)))(RECV_TIMEOUT=120)(SEND_TIMEOUT=5)(CONNECT_DATA=(SID=BVAP)))"
 
 export PATH=/.yarn/bin:/.config/yarn/global/node_modules/.bin:/usr/local/nvm/versions/node/v16.16.0/bin:/usr/local/bundle/bin:/usr/local/bundle/gems/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/oracle/instantclient_12_2: