[Bug]: Unable to get database schema for the older apps on performance DP

[RakshaKShetty]

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Description

Unable to get database schema for the older apps on performance DP

Steps To Reproduce

1. go to https://ee-4987.dp.appsmith.com/
2. Open any one existing app
3. go to datasources section
4. click on postgres DB
5. check first if the db is valid or not once its valid
6. go to view datasection can click on schema refresh button
7. the json error is displayed as in attached screenshot

Public Sample App

No response

Environment

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Severity

High (Blocker to building or releasing)

Issue video log

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Version

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