fixed: image sources null check

[HardikSJain]

passed the image sources to bottomsheet builder.

Note: don't forget to add the permissions if not present in your ios/Runner/Info.plist to access camera, microphone and photo library

<key>NSCameraUsageDescription</key>
<string>Allow access to camera</string>
<key>NSMicrophoneUsageDescription</key>
<string>Allow access to microphone for video recording</string>
<key>NSPhotoLibraryUsageDescription</key>
<string>Allow access to photo library</string>

[anshumandas]

pl take the latest from main trunk and resolve the conflicts for me to accept the PR

[HardikSJain]

After the recent updates in the repo, this branch has no conflict with main