add slider to target leverage screen

[mike-dydx]

Links (dYdX Internal Use Only)

Linear Ticket: MOB-602 : Add Slider to Target Leverage Screen

Figma Design: https://www.figma.com/design/mKevZOfE9nj6MZpiolKYW1/dYdX-%E2%80%BA-Mobile?node-id=5621-14698&t=FfqZ4StoFfdqNtJe-4

Description / Intuition

• introduces new UI Components
  • dydxNumberFieldView
  • dydxSliderInputView
  • dydxSliderView
• introduces dydxNumberInputFormatter which can format numbers to nearest 0.1, .01, .001 etc as well as nearest 10, 100, 1000. This formatter can be used with SwiftUI TextField to format input more "swifty"
• fixes an issue with TP/SL where the user's input is overwritten for existing orders due to combine publishers republishing same trigger order data. fix was to split out the publishers
• updates TP/SL UI to use new slider amount input view
• fixes an issue where button text area was empty for certain errors. fix was to add default behavior

Before/After Screenshots or Videos

Before	After
editing/creating tp/sl order
canceling tp/sl order
target leverage

Type of Change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Refactoring or Technical Debt
• [ ] Documentation update
• [ ] Other (please describe: )

[linear[bot]]

MOB-602 Add Slider to Target Leverage Screen