Fix scrollState for List and expand the snippet to show more code for completeness (#517)

* Fix scrollState for List and expand the snippet to show kore code for completeness

* Apply Spotless

---------

Co-authored-by: kul3r4 <[email protected]>

Author: kul3r4

wear/src/main/java/com/example/wear/snippets/m3/navigation/Navigation.kt

@@ -57,12 +57,11 @@ fun navigation() {
             }
         }
     }
-    // [START_EXCLUDE]
 }
 
+// Implementation of one of the screens in the navigation
 @Composable
 fun MessageDetail(id: String) {
-    // [END_EXCLUDE]
     // .. Screen level content goes here
     val scrollState = rememberTransformingLazyColumnState()
 

wear/src/main/java/com/example/wear/snippets/m3/rotary/Rotary.kt

@@ -170,6 +170,7 @@ fun SnapScrollableScreen() {
     // [START android_wear_rotary_input_snap_fling]
     val listState = rememberScalingLazyListState()
     ScreenScaffold(
+        scrollState = listState,
         scrollIndicator = {
             ScrollIndicator(state = listState)
         }
@@ -202,6 +203,7 @@ fun PositionScrollIndicator() {
     // [START android_wear_rotary_position_indicator]
     val listState = rememberTransformingLazyColumnState()
     ScreenScaffold(
+        scrollState = listState,
         scrollIndicator = {
             ScrollIndicator(state = listState)
         }