Get rid of "disabled" on fields in BasicSettings.

[kylev]

It feels better to arrive and see all fields working and no puzzle to solve. Instead, set the preset to "custom" whenever a preset parameter is changed (see 1074b77).

[Copilot]

Pull Request Overview

This PR removes disabled state from input fields in the BasicSettings and RatiosInput components, making all fields immediately editable. The change improves user experience by eliminating the need for users to first change a preset setting to "custom" before being able to modify individual parameters.

• Removed disabled={store.ratio !== "custom"} from ratio input fields
• Removed disabled={store.ratio !== "custom"} from guideline angle input field

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
src/RatiosInput.jsx	Removes disabled state from numeric ratio input fields
src/BasicSettings.jsx	Removes disabled state from guideline angle input field

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}