Replacing Transparent Placeholder SVG with the Magento Placeholder SVG

[del15881]

Description

Replacing the encoded Transparent placeholder SVG image with the Default Magento Placeholder Image. This fixes the Placeholder Issue on "Category Pages", "Product Details Page", "Cart Page","Checkout Pages" and "Order History Page".

Related Issue

Closes #PWA-3373. https://jira.corp.adobe.com/browse/PWA-3373

Acceptance

Verification Stakeholders

Specification

Verification Steps

Test scenario(s) for direct fix/feature

Test scenario(s) for any existing impacted features/areas

Test scenario(s) for any Magento Backend Supported Configurations

Is Browser/Device testing needed?

Any ad-hoc/edge case scenarios that need to be considered?

Screenshots / Screen Captures (if appropriate)

Breaking Changes (if any)

Checklist

• I have added tests to cover my changes, if necessary.
• I have added translations for new strings, if necessary.
• I have updated the documentation accordingly, if necessary.

[pwa-studio-bot]

	Messages
:book:	Associated JIRA tickets: [PWA-3373](https://jira.corp.magento.com/browse/PWA-3373).
:book:	DangerCI Failures related to missing labels/description/linked issues/etc will persist until the next push or next pr-test build run (assuming they are fixed).
:book:	Access a deployed version of this PR [here](https://pr-4344.pwa-venia.com/). Make sure to wait for the "pwa-pull-request-deploy" job to complete.

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