UX: Add visual indicators for paused CCIP tokens (capacity ≤ 1)

[aelmanaa]

Problem

Tokens with rate limit capacity ≤ 1 (effectively paused for transfers) were displayed normally in CCIP lane and token tables without any visual indication of their paused state. This led to user confusion about why token transfers might fail or be unavailable.

Solution

Added clear visual indicators for paused tokens to improve user understanding:

🎯 Visual Enhancements:

• Dimmed rows with 60% opacity for paused tokens
• Grayscale filter on token logos
• Pause emoji badge (⏸️) with explanatory tooltip: "Token transfers are paused (capacity ≤ 1)"
• Consistent styling across both Lane and Token drawer components