http ClientException is not handled

[2shrestha22]

New Issue Checklist

• [x] I am not disclosing a vulnerability.
• [x] I am not just asking a question.
• [x] I have searched through existing issues.
• [x] I can reproduce the issue with the latest version of Parse Server and the Parse Flutter SDK.

Issue Description

http ClientException is not handled resulting showing toString version of ClientException.

Steps to reproduce

Actual Outcome

Expected Outcome

Environment

Parse Flutter SDK

• SDK version: FILL_THIS_OUT
• Flutter version: FILL_THIS_OUT
• Dart version: FILL_THIS_OUT
• Operating system version: FILL_THIS_OUT

Server

• Parse Server version: FILL_THIS_OUT

Logs

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