Added localization key for "Structure"

src/Umbraco.Web.UI.Client/src/assets/lang/da-dk.ts

@@ -1658,6 +1658,7 @@ export default {
 		collections: 'Samlinger',
 		collectionsDescription:
 			'Konfigurerer indholdselementet til at vise listen over dets underordnede elementer, underordnede elementer vil ikke blive vist i træet.',
+		structure: 'Struktur',
 	},
 	languages: {
 		addLanguage: 'Tilføj sprog',

src/Umbraco.Web.UI.Client/src/assets/lang/en-us.ts

@@ -1654,6 +1654,7 @@ export default {
 		collections: 'Collections',
 		collectionsDescription:
 			'Configures the content item to show list of its children, the children will not be shown in the tree.',
+		structure: 'Structure',
 	},
 	languages: {
 		addLanguage: 'Add language',

src/Umbraco.Web.UI.Client/src/packages/documents/document-types/workspace/views/structure/document-type-workspace-view-structure.element.ts

@@ -64,7 +64,7 @@ export class UmbDocumentTypeWorkspaceViewStructureElement extends UmbLitElement
 
 	render() {
 		return html`
-			<uui-box headline="Structure">
+			<uui-box headline=${this.localize.term('contentTypeEditor_structure')}>
 				<umb-property-layout alias="Root" label=${this.localize.term('contentTypeEditor_allowAtRootHeading')}>
 					<div slot="description">${this.localize.term('contentTypeEditor_allowAtRootDescription')}</div>
 					<div slot="editor">

src/Umbraco.Web.UI.Client/src/packages/media/media-types/workspace/views/structure/media-type-workspace-view-structure.element.ts

@@ -42,7 +42,7 @@ export class UmbMediaTypeWorkspaceViewStructureElement extends UmbLitElement imp
 
 	render() {
 		return html`
-			<uui-box headline="Structure">
+			<uui-box headline=${this.localize.term('contentTypeEditor_structure')}>
 				<umb-property-layout alias="Root" label=${this.localize.term('contentTypeEditor_allowAtRootHeading')}>
 					<div slot="description">${this.localize.term('contentTypeEditor_allowAtRootDescription')}</div>
 					<div slot="editor">