Refactor: Extract Thumbnail and sysUiStatusNavFlags from TaskContainerVM

Moves the sysUiStatusNavFlags from TaskContainer to TaskView to align it
 with the new thumbnail architecture. This change allows for better
 management and access of this information within the TaskView.

Bug: 390581380
Doc: go/launcher-overview-unified-taskviewmodel
Flag: com.android.launcher3.enable_refactor_task_thumbnail
Test: GetSysUiStatusNavFlagsUseCaseTest
Test: GetTaskUseCaseTest
Test: TaskUiStateMapperTest
Test: TaskViewModelTest
Change-Id: Ic285e41620350dbd3e975b6223e6b7d4cd62d3c0