Fix missed rename: freeform _initial_bounds_scale -> desktop_mode_initial_bounds_scale.

Bug: 326224980
Test: atest WMShellUnitTests:DesktopTasksControllerTest
Change-Id: If01a655dda8c1143e70564086aa9c43e258a7305
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
index 0a9e5d0..63a8158 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
@@ -1504,7 +1504,7 @@
 
         @JvmField
         val DESKTOP_MODE_INITIAL_BOUNDS_SCALE = SystemProperties
-                .getInt("persist.wm.debug.freeform_initial_bounds_scale", 75) / 100f
+                .getInt("persist.wm.debug.desktop_mode_initial_bounds_scale", 75) / 100f
 
         /**
          * Check if desktop density override is enabled