Add image preview cropping to 1024x1024 and validation warnings

[WeekendSuperhero]

Feature Request

Add functionality to handle image dimensions for optimal display and validation.

Requirements

1. Image Preview Cropping

   • Crop image previews to 1024x1024 dimensions
   • Ensure previews maintain aspect ratio or use center cropping

2. Image Dimension Validation

   • Check that uploaded images are exactly 1024x1024 pixels
   • Display a warning message when images don't match the expected dimensions
   • Warning should clearly indicate the current dimensions and expected dimensions

Implementation Details

• Add validation on image upload
• Display warning UI for non-conforming images
• Implement preview cropping for consistent display

Benefits

• Consistent image display across the application
• User feedback for incorrect image dimensions
• Better UX with standardized previews