Text / image component: Display image size in a readable format

Steps to reproduce

1.  Open Pages app
2.  Add Text and image component
3. Go to image tab and upload an image
4. The image size format just shows a number

Expected results

Show image information exactly as in Asset detail

Example

• Name: flickr_angkor_chi_king_1071292582_1ed88ac42f_o.jpg
• Size: 4324 x 2912 px, 585 KB
• Format: image/jpeg

Actual results

It just shows a number without scale unit.

Workaround

Development notes