fix: yield details style polish

[reallybeard]

Description

Visual polish everywhere:

• Cards now have a sleeker look with inset shadows instead of plain borders
• Green buttons look better in dark mode (black text instead of white)
• The "Available to Deposit" section got a nice green gradient glow effect and is more prominent now

New "Add More" feature:

• When you already have a position staked somewhere, you'll now see a slick prompt letting you know you have more tokens available to add, along with potential earnings - makes it super easy to compound

Related Markets redesign:

• Instead of a grid of cards, related yields now show up as a clean list - more compact and easier to scan
  Better page layouts:
• All the Yields pages now use the standard app layout (Main + PageHeader components) instead of doing their own thing with Container - makes everything feel more consistent with the rest of the app

Provider info cards:

• Added descriptions for major DeFi protocols (Morpho, Lido, Aave, Compound, etc.) so users know what they're getting into

Account selector flexibility:

• You can now hide the balance or icon in the account selector dropdown - useful in tighter spaces

Misc cleanup:

• Avatar sizing is now standardized across the app
• LazyLoadAvatar works better with the size system
• Some memoization tweaks in the yield items

Issue (if applicable)

closes #

Risk

High Risk PRs Require 2 approvals

low risk mostly UI updates

What protocols, transaction types, wallets or contract interactions might be affected by this PR?

Testing

Engineering

Operations

• 🏁 My feature is behind a flag and doesn't require operations testing (yet)

Screenshots (if applicable)

Summary by CodeRabbit

• New Features

  • "Add More" quick action to deposit into existing yield positions
  • Yield comparison cards showing provider, chain and APY

• Improvements

  • Enhanced "Available to Deposit" panel with balance, fiat estimate and yearly earnings
  • Redesigned yield detail pages with header-driven navigation and responsive layout
  • Toggleable display options for balances and icons
  • Refreshed card/badge visuals and gradients
  • Added new translation strings for yield UI

• Refactor

  • Page/layout restructuring and theme refinements

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