Find suitable anchor view for SnackBar

This will fix the SnackBar position if BottomNav or FAB is visible.

Fix #5163
Fix #5135

app/src/main/java/com/topjohnwu/magisk/ui/log/LogFragment.kt

@@ -20,6 +20,7 @@ class LogFragment : BaseUIFragment<LogViewModel, FragmentLogMd2Binding>() {
 
     override val layoutRes = R.layout.fragment_log_md2
     override val viewModel by viewModel<LogViewModel>()
+    override val snackbarAnchorView get() = binding.logFilterToggle
 
     private var actionSave: MenuItem? = null
     private var isMagiskLogVisible