CommonPagingConfig: Use LinkedHashSet for orderByFields to preserve entry order

Author: EdricChan03

data/common/src/main/kotlin/com/edricchan/studybuddy/domain/common/paging/CommonPagingConfig.kt

@@ -15,5 +15,5 @@ interface CommonPagingConfig<OS : OrderSpec<*>> {
     val pageSize: Int
 
     /** The set of [OS] configurations to order the resulting data by, */
-    val orderByFields: Set<OS>
+    val orderByFields: LinkedHashSet<OS>
 }

features/tasks/domain/src/main/kotlin/com/edricchan/studybuddy/features/tasks/domain/repo/TasksPaginationConfig.kt

@@ -21,7 +21,7 @@ data class TasksPaginationConfig(
     val includeArchived: Boolean = false,
     val excludeCompleted: Boolean = false,
     override val pageSize: Int = 30,
-    override val orderByFields: Set<TaskOrderSpec> = setOf(TaskOrderSpec())
+    override val orderByFields: LinkedHashSet<TaskOrderSpec> = linkedSetOf(TaskOrderSpec())
 ) : CommonPagingConfig<TasksPaginationConfig.TaskOrderSpec> {
     data class TaskOrderSpec(
         override val field: TaskItem.Field = TaskItem.Field.CreatedAt,