Add max width/height to text layers and draggable text boxes to the Text tool

[Nitish-bot]

Part of #1105

By the end, you should be able to drag with the text tool to create a bounding box and your line width should be set automatically which was hard coded to none before. Your cursor should also change to reflect change in functionality when dragging.

[github-actions]

📦 Build Complete for b14db2d
https://5aab0935.graphite.pages.dev

[0HyperCube]

The code looks good and it works well. Thanks for this contribution.

[Keavon]

I'll do a quick review before this is merged.

[Keavon]

QA feedback:

• Text tool dragging to create a text area:
  • Needs support for right-clicking or Escape to abort
  • Needs support for holding the Shift modifier to make it draw a constrained square area (try this in the Rectangle tool)
  • Needs support for holding the Alt modifier to make it draw centered around the starting point of the drag (try this in the Rectangle tool)
  • Needs to work with auto-panning correctly, so the drag starting point doesn't drift
• When the Select tool is active and the text layer is selected, it should display a second rectangle around the text (in addition to the existing interactive transform cage's rectangle) styled with a dashed line, indicating the bounds of the text area so it's clear to the user that the transform cage is affecting the text transform but there is also a separate text area that's not being dragged (until we eventually add some kind of way to let the user choose between dragging the transform vs. the text area width)
• Before we can merge this, we need to write an upgrade script to support the new format which runs when opening a document file. Please see here for the existing code you can reference, which I wrote when I added line height and character spacing.

[Keavon]

I'll set this to draft status while waiting on those changes. @Nitish-bot, please mark it was ready for review and ping me in a comment when you've got those resolved. Thank you!

[github-actions]

📦 Build Complete for ad2a927
https://2fb0e5c4.graphite.pages.dev

[Keavon]

Needed follow-up work:

• Fix the max height parameter so it actually cuts off any lines which exceed that height by any amount.
• Visually indicate with a red overlay along the bottom if text is being cut off when in the Select and Text tools.
• Store the max width and max height parameter values, when unchecked, to hidden parameters serving the purpose of backing up those numbers to be restored upon reenabling them— or alternatively, create a new data type called something like RestorableOption<T> with Some(T) and None(T) variants, where the latter backs up the disabled value.
• When placing or dragging with the Text tool (when the left mouse button is down, and the pointer either hasn't been dragged yet or it is being dragged), add support for right-click and Esc to cancel and return to the Ready state.
• Draggable edge/corner handles (similar to the Select tool's transform cage, but only scaling and not rotation or translation) around the text area box shown by the Text tool.