fix(mobile): replace image stickers, ref ENG-110

Author: pete-watters

apps/mobile/src/app/secure-your-wallet.tsx

@@ -46,8 +46,9 @@ export default function SecureYourWalletScreen() {
           </Box>
           <Box justifyContent="center" alignItems="center" aspectRatio={1}>
             <Image
+              style={{ height: 270, width: 270 }}
               source={require('@/assets/stickers/lock.png')}
-              style={{ width: 189, height: 252 }}
+              contentFit="contain"
             />
           </Box>
         </AnimatedHeaderScreenLayout>

apps/mobile/src/assets/stickers/add-wallet.png

@@ -27,7 +27,8 @@ export function Error({ error, onRetry }: ErrorProps) {
           image={
             <Box pt="8">
               <Image
-                style={{ height: 203, width: 244 }}
+                style={{ height: 219, width: 270 }}
+                contentFit="contain"
                 source={require('@/assets/stickers/egg.png')}
               />
             </Box>