feat: according designer feedback

Author: PavloNetrebchuk

app/src/main/java/org/openedx/app/MainFragment.kt

@@ -106,7 +106,7 @@ class MainFragment : Fragment(R.layout.fragment_main) {
                 add(R.id.fragmentDownloads to { DownloadsFragment() })
             }
             if (viewModel.isDatesFragmentEnabled) {
-                add(R.id.fragmentDates to DatesFragment())
+                add(R.id.fragmentDates to { DatesFragment() })
             }
             add(R.id.fragmentProfile to { ProfileFragment() })
         }

app/src/main/java/org/openedx/app/room/AppDatabase.kt

@@ -27,6 +27,7 @@ import org.openedx.discovery.data.storage.DiscoveryDao
 const val DATABASE_VERSION = 4
 const val DATABASE_NAME = "OpenEdX_db"
 
+@Suppress("MagicNumber")
 @Database(
     entities = [
         CourseEntity::class,

course/src/main/java/org/openedx/course/data/storage/CourseConverter.kt

@@ -4,7 +4,6 @@ import androidx.room.TypeConverter
 import com.google.common.reflect.TypeToken
 import com.google.gson.Gson
 import org.openedx.core.data.model.room.BlockDb
-import org.openedx.core.data.model.room.CourseDateDB
 import org.openedx.core.data.model.room.GradingPolicyDb
 import org.openedx.core.data.model.room.SectionScoreDb
 import org.openedx.core.data.model.room.discovery.CourseDateBlockDb
@@ -74,16 +73,4 @@ class CourseConverter {
     @TypeConverter
     fun toGradeRangeMap(value: String): Map<String, Float> =
         Gson().fromJson(value, object : TypeToken<Map<String, Float>>() {}.type)
-
-    @TypeConverter
-    fun fromListOfCourseDateDB(value: List<CourseDateDB>): String {
-        val json = Gson().toJson(value)
-        return json.toString()
-    }
-
-    @TypeConverter
-    fun toListOfCourseDateDB(value: String): List<CourseDateDB> {
-        val type = genericType<List<CourseDateDB>>()
-        return Gson().fromJson(value, type)
-    }
 }

dates/src/main/java/org/openedx/dates/presentation/dates/DatesScreen.kt

@@ -134,7 +134,8 @@ fun DatesScreen(
                         LazyColumn(
                             modifier = contentWidth.fillMaxSize(),
                             state = scrollState,
-                            contentPadding = PaddingValues(bottom = 48.dp)
+                            contentPadding = PaddingValues(bottom = 48.dp, top = 24.dp),
+                            verticalArrangement = Arrangement.spacedBy(16.dp)
                         ) {
                             uiState.dates.keys.forEach { sectionKey ->
                                 val dates = uiState.dates[sectionKey].orEmpty()
@@ -144,7 +145,6 @@ fun DatesScreen(
                                     if (isHavePastRelatedDates) {
                                         item {
                                             ShiftDueDatesCard(
-                                                modifier = Modifier.padding(top = 12.dp),
                                                 isButtonEnabled = !uiState.isShiftDueDatesPressed,
                                                 onClick = {
                                                     onAction(DatesViewActions.ShiftDueDate)