Create a running variant for workflow diagram nodes (#10857)

- Add all the missing adaptive colors
- Create a running variant for the workflow diagram nodes
- Make the `<Loader />` be precisely `24px` large

## Demo



https://github.com/user-attachments/assets/cc9ef259-30dd-445d-b167-af35b4f9c4cc



Closes https://github.com/twentyhq/core-team-issues/issues/430

packages/twenty-ui/src/feedback/loader/components/Loader.tsx

@@ -5,6 +5,7 @@ import { motion } from 'framer-motion';
 const StyledLoaderContainer = styled.div<{
   color?: ThemeColor;
 }>`
+  box-sizing: border-box;
   justify-content: center;
   align-items: center;
   display: flex;