Reduce OFFLINE_THRESHOLD from 10s to 7s

The threshold for intermittent networks via 'Simulate poor internet
connection' is 5 seconds, so 7 seconds is a more appropriate threshold
to distinguish brief connectivity drops from sustained offline state.

Co-authored-by: Roji Philip <rojiphil@users.noreply.github.com>

Author: MelvinBot

src/CONST/index.ts

@@ -6209,7 +6209,7 @@ const CONST = {
             NORMAL: 8,
         },
         DEFAULT_VIDEO_DIMENSIONS: {width: 1900, height: 1400},
-        OFFLINE_THRESHOLD: 10000,
+        OFFLINE_THRESHOLD: 7000,
     },
 
     INTRO_CHOICES: {