[fenix] For https://github.com/mozilla-mobile/fenix/issues/27511: Remove duplicate padding update code

This padding update is already performed in FenixSnackbar.make when
isDisplayedWithBrowserToolbar is true, and that variable has no other
side-effects, so simply use that code.

app/src/main/java/org/mozilla/fenix/utils/Undo.kt

@@ -6,13 +6,10 @@ package org.mozilla.fenix.utils
 
 import android.content.Context
 import android.view.View
-import androidx.appcompat.widget.ContentFrameLayout
-import androidx.core.view.updatePadding
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
-import org.mozilla.fenix.R
 import org.mozilla.fenix.components.FenixSnackbar
 import org.mozilla.fenix.ext.settings
 import java.util.concurrent.atomic.AtomicBoolean
@@ -66,7 +63,7 @@ fun CoroutineScope.allowUndo(
             .make(
                 view = view,
                 duration = FenixSnackbar.LENGTH_INDEFINITE,
-                isDisplayedWithBrowserToolbar = false,
+                isDisplayedWithBrowserToolbar = paddedForBottomToolbar,
             )
             .setText(message)
             .setAnchorView(anchorView)
@@ -81,27 +78,6 @@ fun CoroutineScope.allowUndo(
             snackbar.view.elevation = it
         }
 
-        val shouldUseBottomToolbar = view.context.settings().shouldUseBottomToolbar
-        val toolbarHeight = view.resources.getDimensionPixelSize(R.dimen.browser_toolbar_height)
-        val dynamicToolbarEnabled = view.context.settings().isDynamicToolbarEnabled
-
-        snackbar.view.updatePadding(
-            bottom = if (
-                paddedForBottomToolbar &&
-                shouldUseBottomToolbar &&
-                // If the view passed in is a ContentFrameLayout, it does not matter
-                // if the user has a dynamicBottomToolbar or not, as the Android system
-                // can't intelligently position the snackbar on the upper most view.
-                // Ideally we should not pass ContentFrameLayout in, but it's the only
-                // way to display snackbars through a fragment transition.
-                (view is ContentFrameLayout || !dynamicToolbarEnabled)
-            ) {
-                toolbarHeight
-            } else {
-                0
-            },
-        )
-
         snackbar.show()
 
         // Wait a bit, and if user didn't request cancellation, proceed with