fix(core): add `on_tool_error` to `_AstreamEventsCallbackHandler` #5150

Job	Run time
Benchmark (libs/partners/openai)	6m 52s
Benchmark (libs/partners/fireworks)	7m 26s
Benchmark (libs/partners/xai)	3m 53s
Benchmark (libs/partners/groq)	4m 31s
Benchmark (libs/partners/deepseek)	2m 41s
Benchmark (libs/partners/anthropic)	2m 47s
Benchmark (libs/partners/mistralai)	2m 58s
Benchmark (libs/core, walltime)	1m 26s
	32m 34s

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