fix: restore clientUserAgent in Indexer DirectContext calls

Agent-Id: agent-811a4bad-9e7b-4146-9277-a40cdc885edc

Author: richhankins

src/core/indexer.ts

@@ -198,6 +198,7 @@ export class Indexer {
     const context = await DirectContext.create({
       apiKey: this.apiKey,
       apiUrl: this.apiUrl,
+      clientUserAgent: this.clientUserAgent,
     });
 
     // Fetch all files from source
@@ -261,6 +262,7 @@ export class Indexer {
     const context = await DirectContext.import(previousState.contextState, {
       apiKey: this.apiKey,
       apiUrl: this.apiUrl,
+      clientUserAgent: this.clientUserAgent,
     });
 
     // Remove deleted files