Use of spacers in dashboard 2.0

### Current Behavior

When creating ui-nodes and resizing, some ui-errors are occurring with spacers.
In picture one there is a spacer from 8x1, but button is showing on top left corner
In picture two there is a spacer with 7x1 and button is showing mid-right corner

[DB2.0_1.pdf](https://github.com/user-attachments/files/20586210/DB2.0_1.pdf)
[DB2.0_2.pdf](https://github.com/user-attachments/files/20586208/DB2.0_2.pdf)

### Expected Behavior

Expecting spacers to align with screen width.

### Steps To Reproduce

_No response_

### Environment

- Dashboard version:
- Node-RED version:
- Node.js version:
- npm version:
- Platform/OS:
- Browser:

### Have you provided an initial effort estimate for this issue?

I have provided an initial effort estimate