refactor: . move layout helper functions to a separate file

Author: ilandikov

src/Layout/LayoutHelpers.ts

@@ -0,0 +1,9 @@
+export function generateHiddenClassForTaskList(taskListHiddenClasses: string[], hide: boolean, component: string) {
+    if (hide) {
+        taskListHiddenClasses.push(hiddenComponentClassName(component));
+    }
+}
+
+function hiddenComponentClassName(component: string) {
+    return `tasks-layout-hide-${component}`;
+}

src/Layout/TaskLayout.ts

@@ -1,5 +1,6 @@
-import { TaskLayoutOptions } from './TaskLayoutOptions';
+import { generateHiddenClassForTaskList } from './LayoutHelpers';
 import { QueryLayoutOptions } from './QueryLayoutOptions';
+import { TaskLayoutOptions } from './TaskLayoutOptions';
 
 export type TaskLayoutComponent =
     // NEW_TASK_FIELD_EDIT_REQUIRED
@@ -67,16 +68,6 @@ export class QueryLayout {
     }
 }
 
-function generateHiddenClassForTaskList(taskListHiddenClasses: string[], hide: boolean, component: string) {
-    if (hide) {
-        taskListHiddenClasses.push(hiddenComponentClassName(component));
-    }
-}
-
-function hiddenComponentClassName(component: string) {
-    return `tasks-layout-hide-${component}`;
-}
-
 /**
  * This represents the desired layout of tasks when they are rendered in a given configuration.
  * The layout is used when flattening the task to a string and when rendering queries, and can be