Revert "GroupLink / WelcomeMessage: use SectionDividerSpaced between adjacent cards"

This reverts commit 29be15404f.

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupLinkView.kt

@@ -1,7 +1,6 @@
 package chat.simplex.common.views.chat.group
 
 import SectionBottomSpacer
-import SectionDividerSpaced
 import SectionItemView
 import SectionView
 import SectionViewWithButton
@@ -237,7 +236,6 @@ fun GroupLinkLayout(
             } else null) {
           SimpleXCreatedLinkQRCode(groupLink.connLinkContact, short = showShortLink.value)
         }
-        SectionDividerSpaced()
         SectionView {
           if (!isChannel && groupLink.shouldBeUpgraded) {
             SettingsActionItem(

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/WelcomeMessageView.kt

@@ -118,7 +118,7 @@ private fun GroupWelcomeLayout(
         color = if (welcomeTextFitsLimit(wt)) MaterialTheme.colors.secondary else Color.Red
       )
 
-      SectionDividerSpaced()
+      Spacer(Modifier.size(8.dp))
 
       SectionView {
         ChangeModeButton(
@@ -143,7 +143,6 @@ private fun GroupWelcomeLayout(
       SectionView(contentPadding = PaddingValues(vertical = DEFAULT_PADDING_HALF)) {
         TextPreview(wt.value, linkMode)
       }
-      SectionDividerSpaced()
       SectionView {
         CopyTextButton { clipboard.setText(AnnotatedString(wt.value)) }
       }