fix(filter): ensure proper initialization of filter components

- Add null check and default return value in getFilterState method
- Call onload() in modal and popover to ensure component initialization
- Prevents potential runtime errors when filter state is not initialized

src/components/features/task/filter/ViewTaskFilter.ts

@@ -1079,6 +1079,13 @@ export class TaskFilterComponent extends Component {
 
 	// Public method to get current filter state
 	public getFilterState(): RootFilterState {
+		// Handle case where rootFilterState might not be initialized
+		if (!this.rootFilterState) {
+			return {
+				rootCondition: "any",
+				filterGroups: [],
+			};
+		}
 		return JSON.parse(JSON.stringify(this.rootFilterState));
 	}
 

src/components/features/task/filter/ViewTaskFilterModal.ts

@@ -29,6 +29,8 @@ export class ViewTaskFilterModal extends Modal {
 			this.leafId,
 			this.plugin
 		);
+		// Ensure the component is properly loaded
+		this.taskFilterComponent.onload();
 	}
 
 	onClose() {

src/components/features/task/filter/ViewTaskFilterPopover.ts

@@ -53,8 +53,7 @@ export class ViewTaskFilterPopover
 			this.leafId,
 			this.plugin
 		);
-
-		// Initialize editor and display task
+		// Ensure the component is properly loaded
 		this.taskFilterComponent.onload();
 
 		// Create the popover