panic on page.reload

[ankur22]

Brief summary

A panic can occur when working with page.reload and the response is nil: Cannot convert undefined or null to object.

xk6-browser version

v1.7.1

OS

NA

Chrome version

NA

Docker version and image (if applicable)

No response

Steps to reproduce the problem

This is linked to this issue: #1387

What we may have forgotten is to check for nil before mapping the response.

Expected behaviour

No error.

Actual behaviour

Cannot convert undefined or null to object

Tasks

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1. Fix panic on nil response during page.reload #1408
   +0
2. Add release browser 1408 1422 k6#3952
   +0