Bugzilla

Scope of this bug is to add Special Message Action that blocks messages by id. 

Its first use case will be in about:privatebrowsing where we want to hide Pin promo on current and preloaded tab after user clicks primary CTA 'Pin to taskbar'
```
      case "DISABLE_MESSAGES":
        await this.blockMessageById(
         <Array_of_string_message_ids>,
        );
        break;
```

Scope of this bug is to add Special Message Action that blocks messages by id. 

Its first use case will be in about:privatebrowsing where we want to hide Pin promo on current and preloaded tab after user clicks primary CTA 'Pin to taskbar'
```
      case "BLOCK_MESSAGES":
        await this.blockMessageById(
         <Array_of_string_message_ids>,
        );
        break;
```

Scope of this bug is to add Special Message Action that blocks a message by id. We can block multiple messages by using BLOCK_MESSAGE call multiple times inside MULTI_ACTION

Its first use case will be in about:privatebrowsing where we want to hide Pin promo on current and preloaded tab after user clicks primary CTA 'Pin to taskbar'
```
      case "BLOCK_MESSAGE":
        await this.blockMessageById([
           message_id
        ]);
        break;
```