Replace `if` condition with AnimatedVisibility component

feature/settings/src/main/java/com/google/samples/apps/nowinandroid/feature/settings/SettingsDialog.kt

@@ -18,8 +18,10 @@ package com.google.samples.apps.nowinandroid.feature.settings
 
 import android.content.Intent
 import android.net.Uri
+import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -149,7 +151,7 @@ fun SettingsDialog(
 }
 
 @Composable
-private fun SettingsPanel(
+private fun ColumnScope.SettingsPanel(
     settings: UserEditableSettings,
     supportDynamicColor: Boolean,
     onChangeThemeBrand: (themeBrand: ThemeBrand) -> Unit,
@@ -169,7 +171,8 @@ private fun SettingsPanel(
             onClick = { onChangeThemeBrand(ANDROID) },
         )
     }
-    if (settings.brand == DEFAULT && supportDynamicColor) {
+    AnimatedVisibility(visible = settings.brand == DEFAULT && supportDynamicColor) {
+        Column {
             SettingsDialogSectionTitle(text = stringResource(R.string.dynamic_color_preference))
             Column(Modifier.selectableGroup()) {
                 SettingsDialogThemeChooserRow(
@@ -184,6 +187,7 @@ private fun SettingsPanel(
                 )
             }
         }
+    }
     SettingsDialogSectionTitle(text = stringResource(R.string.dark_mode_preference))
     Column(Modifier.selectableGroup()) {
         SettingsDialogThemeChooserRow(