replace "color theme" pizza icon with color palette icon

the color palette icon is currently unused in the bluesky source code and to me makes way more sense to use here than a pizza icon

src/screens/Settings/AppearanceSettings.tsx

···
 import {Slider} from '#/components/forms/Slider'
 import * as Toggle from '#/components/forms/Toggle'
 import {Circle_And_Square_Stroke1_Corner0_Rounded_Filled as SquareIcon} from '#/components/icons/CircleAndSquare'
+import {ColorPalette_Stroke2_Corner0_Rounded as ColorPaletteIcon} from '#/components/icons/ColorPalette'
 import {type Props as SVGIconProps} from '#/components/icons/common'
 import {Moon_Stroke2_Corner0_Rounded as MoonIcon} from '#/components/icons/Moon'
 import {Phone_Stroke2_Corner0_Rounded as PhoneIcon} from '#/components/icons/Phone'
-import {Pizza_Stroke2_Corner0_Rounded as PizzaIcon} from '#/components/icons/Pizza'
 import {Sparkle_Stroke2_Corner0_Rounded as SparkleIcon} from '#/components/icons/Sparkle'
 import {TextSize_Stroke2_Corner0_Rounded as TextSize} from '#/components/icons/TextSize'
 import {TitleCase_Stroke2_Corner0_Rounded as Aa} from '#/components/icons/TitleCase'
···
             )}
 
             <SettingsList.Group>
-              <SettingsList.ItemIcon icon={PizzaIcon} />
+              <SettingsList.ItemIcon icon={ColorPaletteIcon} />
               <SettingsList.ItemText>
                 <Trans>Color Theme</Trans>
               </SettingsList.ItemText>