fix: hardcoded color tokens (not theme-aware) (#7366)

## Summary

Fixes instances of hardcoded color tokens (not semantic) which are not
theme-aware and therefore are incorrect on e.g. light mode.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7366-fix-hardcoded-color-tokens-not-theme-aware-2c66d73d365081e294aaff366fc78a8f)
by [Unito](https://www.unito.io)

src/platform/cloud/subscription/components/SubscriptionRequiredDialogContent.vue

@@ -46,7 +46,7 @@
           severity="secondary"
           icon="pi pi-comments"
           icon-pos="right"
-          class="h-6 p-1 text-sm text-text-secondary hover:text-white"
+          class="h-6 p-1 text-sm text-text-secondary hover:text-base-foreground"
           @click="handleContactUs"
         />
         <span class="text-sm text-text-secondary">{{ $t('g.or') }}</span>
@@ -56,7 +56,7 @@
           severity="secondary"
           icon="pi pi-external-link"
           icon-pos="right"
-          class="h-6 p-1 text-sm text-text-secondary hover:text-white"
+          class="h-6 p-1 text-sm text-text-secondary hover:text-base-foreground"
           @click="handleViewEnterprise"
         />
       </div>