Merge remote-tracking branch 'origin/main-design-system' into fix/color-tokens

# Conflicts:
#	packages/stream_core_flutter/test/components/message_composer/goldens/ci/message_composer_attachment_reply_dark_matrix.png
#	packages/stream_core_flutter/test/components/message_composer/goldens/ci/message_composer_attachment_reply_light_matrix.png

Author: renefloor

packages/stream_core_flutter/lib/src/components/message_composer/attachment/message_composer_link_preview_attachment.dart

@@ -31,6 +31,7 @@ class MessageComposerLinkPreviewAttachment extends StatelessWidget {
     return StreamMessageComposerAttachmentContainer(
       onRemovePressed: onRemovePressed,
       backgroundColor: backgroundColor,
+      borderColor: StreamColors.transparent,
       child: Padding(
         padding: .directional(
           start: spacing.xs,

packages/stream_core_flutter/lib/src/components/message_composer/attachment/message_composer_reply_attachment.dart

@@ -35,6 +35,7 @@ class MessageComposerReplyAttachment extends StatelessWidget {
     return StreamMessageComposerAttachmentContainer(
       onRemovePressed: onRemovePressed,
       backgroundColor: backgroundColor,
+      borderColor: StreamColors.transparent,
       child: Padding(
         padding: .all(spacing.xs),
         child: Row(