Use remote plugin IDs for detail reads and enlarge list pages (#19079)

1. For remote plugin use plugin id (plugin name) directly for read
plugin details;
2. Request up to 200 remote plugins per directory list page.

codex-rs/Cargo.lock

@@ -1859,7 +1859,6 @@ dependencies = [
  "codex-model-provider-info",
  "codex-models-manager",
  "codex-otel",
- "codex-plugin",
  "codex-protocol",
  "codex-rmcp-client",
  "codex-rollout",