chore: Add override for methods

ERROR in ckeditor5-math/src/mathcommand.ts
./src/mathcommand.ts 5:8-13
[tsl] ERROR in ckeditor5-math/src/mathcommand.ts(5,9)
      TS4114: This member must have an 'override' modifier because it overrides a member in the base class 'Command'.
 @ ./src/autoformatmath.ts 6:0-40 24:31-42
 @ ./src/index.ts 5:0-61 5:0-61

ERROR in ckeditor5-math/src/mathcommand.ts
./src/mathcommand.ts 6:8-15
[tsl] ERROR in ckeditor5-math/src/mathcommand.ts(6,9)
      TS4114: This member must have an 'override' modifier because it overrides a member in the base class 'Command'.
 @ ./src/autoformatmath.ts 6:0-40 24:31-42
 @ ./src/index.ts 5:0-61 5:0-61

ERROR in ckeditor5-math/src/mathcommand.ts
./src/mathcommand.ts 48:8-15
[tsl] ERROR in ckeditor5-math/src/mathcommand.ts(48,9)
      TS4114: This member must have an 'override' modifier because it overrides a member in the base class 'Command'.
 @ ./src/autoformatmath.ts 6:0-40 24:31-42
 @ ./src/index.ts 5:0-61 5:0-61

ERROR in ckeditor5-math/src/mathui.ts
./src/mathui.ts 41:8-15
[tsl] ERROR in ckeditor5-math/src/mathui.ts(41,9)
      TS4114: This member must have an 'override' modifier because it overrides a member in the base class 'Plugin'.
 @ ./src/autoformatmath.ts 7:0-30 33:50-56
 @ ./src/index.ts 5:0-61 5:0-61

ERROR in ckeditor5-math/src/ui/mainformview.ts
./src/ui/mainformview.ts 40:8-14
[tsl] ERROR in ckeditor5-math/src/ui/mainformview.ts(40,9)
      TS4114: This member must have an 'override' modifier because it overrides a member in the base class 'View<HTMLElement>'.
 @ ./src/mathui.ts 2:0-45 61:29-41
 @ ./src/autoformatmath.ts 7:0-30 33:50-56
 @ ./src/index.ts 5:0-61 5:0-61

ERROR in ckeditor5-math/src/ui/mainformview.ts
./src/ui/mainformview.ts 130:8-14
[tsl] ERROR in ckeditor5-math/src/ui/mainformview.ts(130,9)
      TS4114: This member must have an 'override' modifier because it overrides a member in the base class 'View<HTMLElement>'.
 @ ./src/mathui.ts 2:0-45 61:29-41
 @ ./src/autoformatmath.ts 7:0-30 33:50-56
 @ ./src/index.ts 5:0-61 5:0-61

ERROR in ckeditor5-math/src/ui/mathview.ts
./src/ui/mathview.ts 76:8-14
[tsl] ERROR in ckeditor5-math/src/ui/mathview.ts(76,9)
      TS4114: This member must have an 'override' modifier because it overrides a member in the base class 'View<HTMLElement>'.
 @ ./src/ui/mainformview.ts 5:0-34 48:32-40
 @ ./src/mathui.ts 2:0-45 61:29-41
 @ ./src/autoformatmath.ts 7:0-30 33:50-56
 @ ./src/index.ts 5:0-61 5:0-61

7 errors have detailed information that is not shown.
Use 'stats.errorDetails: true' resp. '--stats-error-details' to show it.

src/mathcommand.ts

@@ -2,8 +2,8 @@ import { Command } from 'ckeditor5/src/core';
 import { getSelectedMathModelWidget } from './utils';
 
 export default class MathCommand extends Command {
-	public value: string | null = null;
+	public override value: string | null = null;
-	public execute(
+	public override execute(
 		equation: string,
 		display?: boolean,
 		outputType: 'script' | 'span' = 'script',
@@ -45,7 +45,7 @@ export default class MathCommand extends Command {
 
 	public display = false;
 
-	public refresh(): void {
+	public override refresh(): void {
 		const model = this.editor.model;
 		const selection = model.document.selection;
 		const selectedElement = selection.getSelectedElement();

src/mathui.ts

@@ -38,7 +38,7 @@ export default class MathUI extends Plugin {
 		this._enableUserBalloonInteractions();
 	}
 
-	public destroy(): void {
+	public override destroy(): void {
 		super.destroy();
 
 		this.formView?.destroy();

src/ui/mainformview.ts

@@ -37,7 +37,7 @@ export default class MainFormView extends View {
 	public previewEnabled: boolean;
 	public previewLabel?: LabelView;
 	public mathView?: MathView;
-	public locale: Locale = new Locale();
+	public override locale: Locale = new Locale();
 	public lazyLoad: undefined | ( () => Promise<void> );
 
 	constructor(
@@ -127,7 +127,7 @@ export default class MainFormView extends View {
 		} );
 	}
 
-	public render(): void {
+	public override render(): void {
 		super.render();
 
 		// Prevent default form submit event & trigger custom 'submit'

src/ui/mathview.ts

@@ -73,7 +73,7 @@ export default class MathView extends View {
 		}
 	}
 
-	public render(): void {
+	public override render(): void {
 		super.render();
 		this.updateMath();
 	}