Channel banner sql migrations (#30274)

* Adde MySQL and Postgres migrations

* Replaced select * with column names

* removed all * from channel SQL store

* cleanup

* Fixed a duplicate column

* cleanup

* Added migrations and store support

* WIP

* used channelname slice in a missed place

* Handled patch

* Added app level tests

* Added API layer tests

* Added API layer tests

* WIP

* converted to query builder

* cleanupo

* added not null and default constraints

* Fixed test

* fixed file name

* review fixes

* review fixes

* updated migration file

* fixed text

* Review fixes

server/channels/db/migrations/migrations.list

@@ -261,6 +261,8 @@ channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.d
 channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.up.sql
 channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.down.sql
 channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.up.sql
+channels/db/migrations/mysql/000133_add_channel_banner_fields.down.sql
+channels/db/migrations/mysql/000133_add_channel_banner_fields.up.sql
 channels/db/migrations/postgres/000001_create_teams.down.sql
 channels/db/migrations/postgres/000001_create_teams.up.sql
 channels/db/migrations/postgres/000002_create_team_members.down.sql
@@ -523,3 +525,5 @@ channels/db/migrations/postgres/000131_create_index_pagination_on_property_value
 channels/db/migrations/postgres/000131_create_index_pagination_on_property_values.up.sql
 channels/db/migrations/postgres/000132_create_index_pagination_on_property_fields.down.sql
 channels/db/migrations/postgres/000132_create_index_pagination_on_property_fields.up.sql
+channels/db/migrations/postgres/000133_add_channel_banner_fields.down.sql
+channels/db/migrations/postgres/000133_add_channel_banner_fields.up.sql