Fix / Request counting in delayed execution interceptor for streaming calls #1538

Job	Run time
documentation	42s
documentation	42s
platform_build (11)	2m 16s
platform_build (11)	2m 16s
web_api	10s
web_api	10s
platform_build (17)	2m 18s
platform_build (17)	2m 18s
platform_build (21)	1m 24s
platform_build (21)	2m 6s
python_runtime (windows, 3.12, pandas ~= 2.1.0, pyspark ~= 3.5.0)	2m 12s
python_runtime (windows, 3.12, pandas ~= 2.1.0, pyspark ~= 3.5.0)	2m 12s
python_runtime (macos, 3.12, pandas ~= 2.1.0, pyspark ~= 3.5.0)	1m 46s
python_runtime (macos, 3.12, pandas ~= 2.1.0, pyspark ~= 3.5.0)	1m 46s
python_runtime (ubuntu, 3.12, pandas ~= 2.1.0, pyspark ~= 3.5.0)	1m 10s
python_runtime (ubuntu, 3.12, pandas ~= 2.1.0, pyspark ~= 3.5.0)	1m 10s
python_runtime (ubuntu, 3.11, pandas == 2.0.0, pyspark ~= 3.4.0)	1m 18s
python_runtime (ubuntu, 3.11, pandas == 2.0.0, pyspark ~= 3.4.0)	1m 18s
python_runtime (ubuntu, 3.10, pandas ~= 1.5.0, pyspark ~= 3.3.0)	1m 8s
python_runtime (ubuntu, 3.10, pandas ~= 1.5.0, pyspark ~= 3.3.0)	1m 8s
python_runtime (ubuntu, 3.9, pandas ~= 1.3.0, pyspark ~= 3.1.0)	1m 1s
python_runtime (ubuntu, 3.9, pandas ~= 1.3.0, pyspark ~= 3.1.0)	1m 1s
python_runtime (ubuntu, 3.8, pandas == 1.2.0, pyspark == 3.0.0)	57s
python_runtime (ubuntu, 3.8, pandas == 1.2.0, pyspark == 3.0.0)	57s
	33m 26s

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