fix(locale): add missing isFallback property to locale response
          
            #752
        
      | Job | Run time | 
|---|---|
| 11s | |
| 14s | |
| 25s | 
isFallback property to locale response
          
            #752
        
| Job | Run time | 
|---|---|
| 11s | |
| 14s | |
| 25s |