Add related content information to the delete asset warning

[sivaschenko]

Story

#1310

Preconditions

1. Install Magento with Adobe Stock Integration
2. Enable Enhanced Media Gallery

Steps to reproduce

1. Open Media Gallery
2. Upload an image
3. Insert the image to Page/Block/Product/Category wysiwyg field
4. Delete the uploaded image

• Selecting the image and clicking Delete button
• Opening view details and clicking Delete button
• Opening context menu for the image (click on 3 dots) and selecting Delete option

Expected result

The warning message appears with the information that the image is used in the content

[m2-assistant]

Hi @sivaschenko. Thank you for your report.
To help us process this issue please make sure that you provided sufficient information.

Please, add a comment to assign the issue: @magento I am working on this

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[ProkopovVitaliy]

@magento I am working on this