<!-- Describe your changes in detail -->

coinbase wrongly shows the display name and description. this pr aims to fix that.
To implement this **search_filter** feature, you'll need to modify these architectural layers:


**1. External Connector Integration**
   - `crates/hyperswitch_connectors/src/connectors/coinbase.rs`

**Code Patterns Applied:**
- Extend existing types with new fields (1 changes)
{"pr_number": 7454, "pr_title": "fix(connector): fix mapping of feature matrix for coinbase", "merged_at": "2025-03-12T01:44:30Z", "intent": {"feature_type": "search_filter", "action": "add_feature", "entities": ["user"]}, "hierarchy": {"connectors": ["crates/hyperswitch_connectors/src/connectors/coinbase.rs"]}, "change_types": {"fields_added": 1}, "has_identifier_data": false, "commits_matched": 0, "match_method": "none"}