Style: Design System use across more components (#6705)

## Summary

Only remaining use is in `buttonTypes.ts` which @viva-jinyi is going to
be working on to consolidate our different buttons soon.

## Changes

- **What**: Replace light/dark colors with theme aware design system
tokens.

## Review Focus

Double check the chosen colors for the components

## Screenshots

| Before | After |
| ------ | ----- |
| <img width="607" height="432" alt="image"
src="https://github.com/user-attachments/assets/6c0ee6d6-819f-40b1-b775-f8b25dd18104"
/> | <img width="646" height="488" alt="image"
src="https://github.com/user-attachments/assets/9c8532de-8ac6-4b48-9021-3fd0b3e0bc63"
/> |

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6705-Style-WIP-Design-System-use-across-more-components-2ab6d73d365081619115fc5f87a46341)
by [Unito](https://www.unito.io)

---------

Co-authored-by: github-actions <github-actions@github.com>

src/components/graph/selectionToolbox/NodeOptions.vue

@@ -8,7 +8,18 @@
       :dismissable="true"
       :close-on-escape="true"
       unstyled
-      :pt="pt"
+      :pt="{
+        root: {
+          class: 'absolute z-50 w-[300px]'
+        },
+        content: {
+          class: [
+            'mt-2 text-base-foreground rounded-lg',
+            'shadow-lg border border-border-default',
+            'bg-interface-panel-surface'
+          ]
+        }
+      }"
       @show="onPopoverShow"
       @hide="onPopoverHide"
       @wheel="canvasInteractions.forwardEventToCanvas"
@@ -36,7 +47,7 @@
 <script setup lang="ts">
 import { useRafFn } from '@vueuse/core'
 import Popover from 'primevue/popover'
-import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
+import { onMounted, onUnmounted, ref, watch } from 'vue'
 
 import {
   forceCloseMoreOptionsSignal,
@@ -253,19 +264,6 @@ const setSubmenuRef = (key: string, el: any) => {
   }
 }
 
-const pt = computed(() => ({
-  root: {
-    class: 'absolute z-50 w-[300px] px-[12]'
-  },
-  content: {
-    class: [
-      'mt-2 text-neutral dark-theme:text-white rounded-lg',
-      'shadow-lg border border-zinc-200 dark-theme:border-zinc-700',
-      'bg-interface-panel-surface'
-    ]
-  }
-}))
-
 // Distinguish outside click (PrimeVue dismiss) from programmatic hides.
 const onPopoverShow = () => {
   overlayElCache = resolveOverlayEl()