Enable ca and pl as experimental

apps/client/src/app/components/user-account-settings/user-account-settings.html

@@ -73,12 +73,10 @@
                   <mat-option value="de">Deutsch</mat-option>
                   <mat-option value="en">English</mat-option>
                   @if (user?.settings?.isExperimentalFeatures) {
-                    <!--
                     <mat-option value="ca"
                       >Català (<ng-container i18n>Community</ng-container
                       >)</mat-option
                     >
-                    -->
                   }
                   @if (user?.settings?.isExperimentalFeatures) {
                     <mat-option value="zh"
@@ -103,12 +101,10 @@
                     >)</mat-option
                   >
                   @if (user?.settings?.isExperimentalFeatures) {
-                    <!--
                     <mat-option value="pl"
                       >Polski (<ng-container i18n>Community</ng-container
                       >)</mat-option
                     >
-                    -->
                   }
                   <mat-option value="pt"
                     >Português (<ng-container i18n>Community</ng-container