[Receipts] IO Exception crash

[kidinov]

Closes: #13410

Description

We are crashing on IOException when loading a receipt. The PR logs the case and return null which means keep loading

Steps to reproduce

• Put break point on openConnection
• Load a receipt
• When break point hits it, disabled internet
• Resume -> Notice crash

The tests that have been performed

Above

• I have considered if this change warrants release notes and have added them to RELEASE-NOTES.txt if necessary. Use the "[Internal]" label for non-user-facing changes.

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[dangermattic]

	1 Warning
⚠️	This PR is assigned to the milestone 21.5 ❄️. The due date for this milestone has already passed. Please assign it to a milestone with a later deadline or check whether the release for this milestone has already been finished.

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[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce-Wear Android by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce-Wear Android
	Platform	⌚️ Wear OS
	Flavor	Jalapeno
	Build Type	Debug
	Commit	792252a
	Direct Download	woocommerce-wear-prototype-build-pr13411-792252a.apk

[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce Android by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce Android
	Platform	📱 Mobile
	Flavor	Jalapeno
	Build Type	Debug
	Commit	792252a
	Direct Download	woocommerce-prototype-build-pr13411-792252a.apk

[kidinov]

The idea is to modify the response only on the root page. Otherwise, we change mimeType for all the page resources which externally placed (icons, css, js)

[AnirudhBhat]

Thanks for working on this. LGTM

[ThomazFB]

This is just an update that the changes introduced here are published as a beta through the version 21.5-rc2 and was merged back in the trunk through #13425