Add some more feedback that an AIbot response content is streaming in #12077

Name	Size
blob-report-1 Expired	146 KB
blob-report-10 Expired	55.1 KB
blob-report-11 Expired	100 KB
blob-report-12 Expired	120 KB
blob-report-2 Expired	2.9 MB
blob-report-3 Expired	141 KB
blob-report-4 Expired	150 KB
blob-report-5 Expired	151 KB
blob-report-6 Expired	141 KB
blob-report-7 Expired	143 KB
blob-report-8 Expired	148 KB
blob-report-9 Expired	111 KB
html-report--attempt-1	4.34 MB
playwright-traces-2	2.74 MB
realm-server-log-1	9.37 KB
realm-server-log-10	7.22 KB
realm-server-log-11	7.77 KB
realm-server-log-12	8.46 KB
realm-server-log-2	8.44 KB
realm-server-log-3	7.72 KB
realm-server-log-4	8.34 KB
realm-server-log-5	8.72 KB
realm-server-log-6	8.07 KB
realm-server-log-7	8.04 KB
realm-server-log-8	7.78 KB
realm-server-log-9	7.75 KB
realm-server-log-auth-client-test.ts	59.8 KB
realm-server-log-billing-test.ts	59.8 KB
realm-server-log-index-query-engine-test.ts	60.9 KB
realm-server-log-index-writer-test.ts	60.1 KB
realm-server-log-indexing-test.ts	60 KB
realm-server-log-loader-test.ts	60.1 KB
realm-server-log-module-syntax-test.ts	60 KB
realm-server-log-queue-test.ts	60.2 KB
realm-server-log-realm-endpoints-test.ts	60 KB
realm-server-log-server-endpoints-test.ts	60.1 KB
realm-server-log-virtual-network-test.ts	60 KB
vscode-boxel-tools	3.85 MB

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