[Bug] Dashboard filters sends filter value as string ( regression of #3816 ? )

[valtlfelipe]

• Your browser and the version:
  Chrome 65.0.3325.146

• Your operating system:
  macOS 10.12.6

• Your databases:
  PostgreSQL 9.5.10

• Metabase version:
  Latest 0.28.1

• Metabase hosting environment:
  Elastic Beanstalk

• Metabase internal database:
  PostgreSQL 9.6.6

• Repeatable steps to reproduce the issue

1. Create a question and add it to a dashboard
2. Add dashboard filter that filters by a numeric column (doesn't matter if it's a PK or category)
3. Enter filter value (default or user entry - doesn't matter)

Expected: updated, filtered values
Actual: There was a problem displaying this chart.
Error: ERROR: operator does not exist: bigint = character varying↵ Hint: No operator matches the given name and argument type(s). You might need to add explicit type casts.

Payload:

{"parameters":[{"type":"id","target":["dimension",["fk->",42,209]],"value":"532"}]}

Stack trace:

[camsaul]

Fixed by #7232

[salsakran]

Fixed in 0.28.4 which just went out. @valtlfelipe