make field non nullable

Signed-off-by: alperozturk <alper_ozturk@proton.me>

library/src/main/java/com/owncloud/android/lib/resources/assistant/v1/model/TaskTypes.kt

@@ -16,7 +16,7 @@ data class TaskTypes(
 
 data class TaskType(
     val id: String?,
-    val name: String?,
+    val name: String,
     val description: String?
 )
 
@@ -26,7 +26,7 @@ fun TaskTypes.toV2(): List<TaskTypeData> =
             id = taskType.id,
             name = taskType.name,
             description = taskType.description,
-            inputShape = null,
-            outputShape = null
+            inputShape = emptyMap(),
+            outputShape = emptyMap()
         )
     }

library/src/main/java/com/owncloud/android/lib/resources/assistant/v2/GetTaskTypesRemoteOperationV2.kt

@@ -95,11 +95,11 @@ class GetTaskTypesRemoteOperationV2 : OCSRemoteOperation<List<TaskTypeData>>() {
         val outputShape = taskType.outputShape
 
         val hasOneTextInput =
-            inputShape?.size == 1 &&
+            inputShape.size == 1 &&
                 inputShape.values.first().type == supportedTaskType
 
         val hasOneTextOutput =
-            outputShape?.size == 1 &&
+            outputShape.size == 1 &&
                 outputShape.values.first().type == supportedTaskType
 
         return hasOneTextInput && hasOneTextOutput

library/src/main/java/com/owncloud/android/lib/resources/assistant/v2/model/TaskTypes.kt

@@ -14,14 +14,14 @@ data class TaskTypes(
 
 data class TaskTypeData(
     val id: String?,
-    val name: String?,
+    val name: String,
     val description: String?,
-    val inputShape: Map<String, Shape>?,
-    val outputShape: Map<String, Shape>?
+    val inputShape: Map<String, Shape>,
+    val outputShape: Map<String, Shape>
 )
 
 data class Shape(
-    val name: String?,
-    val description: String?,
-    val type: String?
+    val name: String,
+    val description: String,
+    val type: String
 )