improvments are done

src/app/components/language-selector/language-selector.component.ts

@@ -1,13 +1,12 @@
-import { Component, HostListener, ElementRef } from '@angular/core';
-import { CommonModule } from '@angular/common';
+import { Component, HostListener, ElementRef, ChangeDetectionStrategy } from '@angular/core';
 import { LanguageService, Language } from '../../services/language.service';
 
 @Component({
   selector: 'app-language-selector',
-  standalone: true,
-  imports: [CommonModule],
+  imports: [],
   templateUrl: './language-selector.component.html',
-  styleUrls: ['./language-selector.component.scss']
+  styleUrls: ['./language-selector.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
 })
 export class LanguageSelectorComponent {
   dropdownOpen = false;