stepper ui fix (#881)

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> [!IMPORTANT]
> Fix dimension calculation in `Stepper` component by using
`offsetWidth` and `offsetHeight`.
> 
>   - **UI Fix**:
> - In `Stepper` component, replace `getBoundingClientRect()` with
`offsetWidth` and `offsetHeight` for dimension calculation in
`useEffect`.
>     - Affects how dimensions are set in `setDimensions()` function.
> 
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## Review by RecurseML

_🔍 Review performed on
[9318e2b..4c5673a](9318e2b6ce...4c5673a350)_

✨ No bugs found, your code is sparkling clean

<details>
<summary>✅ Files analyzed, no issues (1)</summary>

  • `apps/dashboard/src/components/stepper.tsx`
</details>

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<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- Bug Fixes
- Improved Stepper sizing to accurately reflect element layout, reducing
misalignment, clipping, and overflow in various layouts and themes.
- Increased stability during window/container resizes, minimizing visual
jitter and reflow glitches.

- Performance
- More efficient measurement path for Stepper dimensions, reducing
unnecessary calculations while preserving responsive updates.

- Style
- Subtle visual consistency improvements from more precise width/height
handling, leading to cleaner alignment and spacing across steps.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Co-authored-by: Konsti Wohlwend <n2d4xc@gmail.com>

apps/dashboard/src/components/stepper.tsx

@@ -51,10 +51,9 @@ export function Stepper({ children, currentStep, onStepChange, className }: Step
   useEffect(() => {
     const updateDimensions = () => {
       if (contentRef.current) {
-        const rect = contentRef.current.getBoundingClientRect();
         setDimensions({
-          width: rect.width,
-          height: rect.height,
+          width: contentRef.current.offsetWidth,
+          height: contentRef.current.offsetHeight,
         });
       }
     };