source-braintree-native: refactor and make `window_size` configurable #948

Job	Run time
py_connector (source-airtable, capture, v1, 1.0)	2m 15s
py_connector (source-asana, capture, v1, 1.0)	1m 7s
py_connector (source-facebook-marketing, capture, v4, 1.0)	2m 9s
py_connector (source-gladly, capture, v1, 1.0)	1m 58s
py_connector (source-google-ads, capture, v2, 1.0)	2m 15s
py_connector (source-google-sheets-native, capture, v1, 0.0)	2m 22s
py_connector (source-hubspot-native, capture, v1, 1.0)	2m 19s
py_connector (source-hubspot, capture, v5, 1.0)	59s
py_connector (source-notion, capture, v2, 1.0)	2m 14s
py_connector (source-oracle-flashback, capture, v1, 1.0)	1m 2s
py_connector (source-linkedin-pages, capture, v1, 1.0)	2m 7s
py_connector (source-linkedin-ads-v2, capture, v1, 1.0)	1m 56s
py_connector (source-klaviyo, capture, v1, 1.0)	1m 59s
py_connector (source-recharge, capture, v1, 1.0)	1m 57s
py_connector (source-stripe-native, capture, v1, 1.0)	3m 15s
py_connector (source-zendesk-support, capture, v2, 1.0)	1m 43s
py_connector (source-iterable, capture, v2, 1.0)	2m 8s
py_connector (source-pendo, capture, v2, 1.0)	2m 5s
py_connector (source-twilio, capture, v2, 1.0)	2m 32s
py_connector (source-jira-native, capture, v2, 1.0)	1m 26s
py_connector (source-mixpanel-native, capture, v2, 1.0)	1m 51s
py_connector (source-brevo, capture, v1, 1.0)	2m 14s
py_connector (source-impact-native, capture, v2, 1.0)	1m 41s
py_connector (source-front, capture, v3, 1.0)	1m 0s
py_connector (source-genesys, capture, v1, 1.0)	1m 42s
py_connector (source-braintree-native, capture, v1, 1.0)	2m 12s
	50m 28s

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