chore: fix lint errors

Author: ilhan007

src/app/app.module.ts

@@ -20,11 +20,11 @@ import '@ui5/webcomponents/dist/Dialog';
 import '@ui5/webcomponents/dist/Label';
 import '@ui5/webcomponents/dist/TextArea';
 import '@ui5/webcomponents/dist/StandardListItem';
-import "@ui5/webcomponents/dist/Tab";
-import "@ui5/webcomponents/dist/TabContainer";
-import "@ui5/webcomponents-fiori/dist/ShellBar";
-import "@ui5/webcomponents-fiori/dist/ShellBarItem";
-import "@ui5/webcomponents-icons/dist/palette.js";
+import '@ui5/webcomponents/dist/Tab';
+import '@ui5/webcomponents/dist/TabContainer';
+import '@ui5/webcomponents-fiori/dist/ShellBar';
+import '@ui5/webcomponents-fiori/dist/ShellBarItem';
+import '@ui5/webcomponents-icons/dist/palette.js';
 import '@ui5/webcomponents-fiori/dist/Assets';
 setTheme('sap_horizon');
 @NgModule({

src/app/header/header.component.ts

@@ -19,11 +19,11 @@ export class HeaderComponent implements OnInit {
 
 	handleThemeSettingsToggle(event) {
 		this.themeSettingsPopover.nativeElement.showAt(event.detail.targetRef);
-	};
+	}
 
 	handleThemeChange(event) {
-		setTheme(event.detail.selectedItems[0].getAttribute("data-theme"));
+		setTheme(event.detail.selectedItems[0].getAttribute('data-theme'));
 		this.themeSettingsPopover.nativeElement.close();
-	};
+	}
 
 }