[NO-TASK]: Social Media Updates

[TaprootFreak]

Summary

• Skip social media posts when amount is zero for Savings, Trades and Bridge updates
• Add special handling for Cake Wallet references:
  • Telegram: Links to https://cakewallet.com/
  • Twitter: Displays @CakeWallet mention

Changes

• Added amount = 0 checks in Telegram and Twitter services
• Special case for "Cake Wallet" in createRefCodeLabelLink() helper
• Twitter messages now show @CakeWallet instead of "Cake Wallet"

Test plan

• Code review completed
• Deploy to production
• Verify zero amount transactions don't post
• Verify Cake Wallet shows as @CakeWallet on Twitter
• Verify Cake Wallet links to cakewallet.com on Telegram