[fenix] Hide toolbar in activity and remove label from home fragment

app/src/main/java/org/mozilla/fenix/HomeActivity.kt

@@ -73,6 +73,7 @@ open class HomeActivity : AppCompatActivity() {
         val navigationToolbar = findViewById<Toolbar>(R.id.navigationToolbar)
         setSupportActionBar(navigationToolbar)
         NavigationUI.setupWithNavController(navigationToolbar, navHost.navController, appBarConfiguration)
+        supportActionBar?.hide()
 
         intent
             ?.let { SafeIntent(it) }

app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt

@@ -246,8 +246,9 @@ class HomeFragment : Fragment(), CoroutineScope, AccountObserver {
                             homeViewModel?.layoutManagerState?.also { parcelable ->
                                 sessionControlComponent.view.layoutManager?.onRestoreInstanceState(parcelable)
                             }
+                            val progress = homeViewModel?.motionLayoutProgress
                             homeLayout?.progress =
-                                if (homeViewModel?.motionLayoutProgress ?: 0F > MOTION_LAYOUT_PROGRESS_ROUND_POINT) 1.0f else 0f
+                                if (progress ?: 0F > MOTION_LAYOUT_PROGRESS_ROUND_POINT) 1.0f else 0f
                             homeViewModel?.layoutManagerState = null
                         }
                     }

app/src/main/res/navigation/nav_graph.xml

@@ -18,7 +18,6 @@
     <fragment
         android:id="@+id/homeFragment"
         android:name="org.mozilla.fenix.home.HomeFragment"
-        android:label="fragment_home"
         tools:layout="@layout/fragment_home">
         <action
             android:id="@+id/action_homeFragment_to_turnOnSyncFragment"