refactor: Replace rounds with repeatCount in flyCameraAround calls (#804)

Update all 3D samples to use the repeatCount parameter instead of rounds
in flyCameraAround function calls for consistency with the updated API.

Co-authored-by: William French <[email protected]>

Author: oppenheimera

samples/3d-camera-to-around/index.ts

@@ -39,7 +39,7 @@ async function init() {
             // Length of time to fly to the location.
             durationMillis: 50000,
             // Number of rotations to make in the specified time.
-            rounds: 1
+            repeatCount: 1
         });
     }, {once: true}); // Stop animation after flying around.
 

samples/3d-marker-click-event/index.ts

@@ -33,7 +33,7 @@ async function initMap() {
         map.flyCameraAround({
             camera: originalCamera,
             durationMillis: 50000,
-            rounds: 1
+            repeatCount: 1
         });
     });