Fix for handling big messages from Python agent #2628

Job	Run time
CLI End to End tests	9m 45s
CLI End to End tests	9m 45s
End to End tests (Python, python)	19m 9s
End to End tests (Python, python)	19m 9s
Unit tests (Runtime)	6m 35s
Unit tests (Runtime)	6m 35s
End to End tests (Other, other)	17m 58s
End to End tests (Other, other)	17m 58s
Unit tests (Runtime IT)	17m 30s
Unit tests (Runtime IT)	17m 30s
Unit tests (Deployer)	8m 17s
Unit tests (Deployer)	8m 17s
Unit tests (Api Gateway)	3m 38s
Unit tests (Api Gateway)	3m 53s
Unit tests (Control plane)	4m 25s
Unit tests (Control plane)	4m 25s
Unit tests (Other)	12m 9s
Unit tests (Other)	12m 9s
Unit tests (Style)	4m 19s
Unit tests (Style)	4m 19s
	3h 27m 45s

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