`ui.Chat()` now correctly handles new `ollama.chat()` return value introduced in ollama 0.4 #5991

Job	Run time
playwright-deploys-precheck (3.10)	1m 24s
test-narwhals-integration	3m 32s
check (3.12, ubuntu-latest)	2m 44s
playwright-examples (3.12, chromium)	3m 48s
check (3.12, windows-latest)	7m 22s
playwright-examples (3.12, firefox)	4m 24s
check (3.12, macOS-latest)	1m 45s
playwright-shiny (3.12, chromium)	4m 44s
playwright-examples (3.12, webkit)	4m 3s
check (3.11, ubuntu-latest)	2m 26s
playwright-shiny (3.12, firefox)	5m 16s
playwright-examples (3.11, chromium)	3m 50s
check (3.11, windows-latest)	7m 7s
playwright-shiny (3.12, webkit)	4m 53s
playwright-examples (3.11, firefox)	4m 10s
check (3.11, macOS-latest)	1m 46s
playwright-shiny (3.11, chromium)	4m 28s
playwright-examples (3.11, webkit)	3m 55s
check (3.10, ubuntu-latest)	2m 33s
playwright-shiny (3.11, firefox)	4m 58s
playwright-examples (3.10, chromium)	3m 55s
check (3.10, windows-latest)	8m 22s
playwright-shiny (3.11, webkit)	4m 29s
playwright-examples (3.10, firefox)	4m 34s
check (3.10, macOS-latest)	2m 45s
playwright-shiny (3.10, chromium)	4m 27s
playwright-examples (3.10, webkit)	4m 23s
check (3.9, ubuntu-latest)	2m 28s
playwright-shiny (3.10, firefox)	5m 21s
playwright-examples (3.9, chromium)	3m 41s
check (3.9, windows-latest)	6m 11s
playwright-shiny (3.10, webkit)	5m 3s
playwright-examples (3.9, firefox)	4m 25s
check (3.9, macOS-latest)	3m 10s
playwright-shiny (3.9, chromium)	4m 18s
playwright-examples (3.9, webkit)	4m 11s
playwright-shiny (3.9, firefox)	4m 50s
Deploy to PyPI	0s
	2h 35m 41s

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