fix(editor): remove stroke from contentCard

Author: itsaky

.gitignore

@@ -59,6 +59,7 @@ captures/
 # Comment next line if keeping position of elements in Navigation Editor is relevant for you
 .idea/navEditor.xml
 .idea/deploymentTargetDropDown.xml
+.idea/deploymentTargetSelector.xml
 .idea/studiobot.xml
 
 # Keystore files

.idea/deploymentTargetSelector.xml

@@ -24,7 +24,8 @@
       android:layout_height="match_parent"
       app:cardBackgroundColor="?attr/colorSurface"
       app:cardCornerRadius="@dimen/editor_container_corners"
-      app:cardElevation="0dp">
+      app:cardElevation="0dp"
+      app:strokeWidth="0dp">
 
       <include
         android:id="@+id/content"