Set dataOffset when attaching a new CardView

Fixes #713.

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/views/HabitCardListView.kt

@@ -78,7 +78,7 @@ class HabitCardListView(
         super.setAdapter(adapter)
     }
 
-    fun createHabitCardView(): View {
+    fun createHabitCardView(): HabitCardView {
         return cardViewFactory.create()
     }
 
@@ -109,6 +109,7 @@ class HabitCardListView(
     }
 
     fun attachCardView(holder: HabitCardViewHolder) {
+        (holder.itemView as HabitCardView).dataOffset = dataOffset
         attachedHolders.add(holder)
     }
 

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/views/HabitCardViewHolder.kt

@@ -19,7 +19,6 @@
 
 package org.isoron.uhabits.activities.habits.list.views
 
-import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 
-class HabitCardViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView)
+class HabitCardViewHolder(itemView: HabitCardView) : RecyclerView.ViewHolder(itemView)