mcp: fix status() to not overwrite connected with failed (#3514)

Author: kcrommett

packages/opencode/src/mcp/index.ts

@@ -188,6 +188,7 @@ export namespace MCP {
         }
         if (state.clients[key]) {
           result[key] = "connected"
+          continue
         }
         result[key] = "failed"
       }