fix: changes a pylint check in dashboard module (#10978)
fix: changes a pylint check in dashboard module (#10978)

* Removed not needed disabled pylint rules from `set_dash_metadata`:
- `disable=too-many-locals`,
- `too-many-branches`,
- `too-many-statements`

* Changed broad exception to KeyError.

* Reverted broad_exception in get_col_type in utils
airbnb/superset,apache/incubator-superset,zhouyao1994/incubator-superset,airbnb/superset,airbnb/caravel,airbnb/caravel,airbnb/superset,mistercrunch/panoramix,airbnb/caravel,mistercrunch/panoramix,airbnb/superset,zhouyao1994/incubator-superset,mistercrunch/panoramix,apache/incubator-superset,apache/incubator-superset,zhouyao1994/incubator-superset,apache/incubator-superset,zhouyao1994/incubator-superset,apache/incubator-superset,mistercrunch/panoramix,zhouyao1994/incubator-superset,airbnb/caravel