fix(app): hide decorative country and region flags from screen readers (#1917)

fluxer_app/src/features/user/components/modals/PhoneAddModal.tsx

@@ -99,6 +99,7 @@ const renderCountryOption = (option: CountrySelectOption) => {
 				<img
 					src={flagUrl}
 					alt={countryName}
+					aria-hidden={true}
 					className={styles.flagImage}
 					data-flx="user.phone-add-modal.country-option.flag-image"
 				/>

fluxer_app/src/features/user/components/modals/tabs/LanguageTab.tsx

@@ -198,6 +198,7 @@ export const LanguageSelector = observer(function LanguageSelector({
 			<img
 				src={flagUrl}
 				alt={`${option.name} flag`}
+				aria-hidden={true}
 				className={styles.flagImage}
 				draggable={false}
 				data-flx="user.language-selector.render-language-content.flag-image"