feat(DialogGuidance): Allow authors specify text for ideas

[Aaron-Detre]

Changes

• Added functionality for authors to specify student-friendly descriptions for cRater ideas.

Test

• Add new idea description boxes with either of the buttons.
• The button at the bottom is only visible when 1 or more idea description boxes are present.
• Adding a new idea description box adds an entry to cRaterRubric.ideas in the component JSON file.
• Edits made in the "Idea #" or "Student-Friendly Description" text boxes are stored in the corresponding idea in the JSON file.
• When an idea description box is deleted, the corresponding idea should be removed from the JSON file.
• When adding an idea description box, the window should auto-scroll down to the bottom.

Closes #2055

[hirokiterashima]

Good start. Functionality seems to work as described.

I expected that clicking the add button at the top would add new idea descriptions at the top of the list instead of the bottom.

We don't currently allow reordering items. Maybe that's okay for now.

I also added some code improvement suggestions inline. If it looks good, go ahead and make the change and re-commit. We can also discuss any suggestion if you'd like.

@breity can you take a look at styling a bit? The delete button alignment looks a bit off

[hirokiterashima]

LGTM. We can merge after Jon styles this component. We'll also need to modify this later when we rename the fields.

We may even not need the getNumIdeaDescriptions() function, since this.ideaDescriptions is a public field of the component? We can just call this.ideaDescriptions.length in the component and ideaDescriptions.length in the template.

[hirokiterashima]

🎉 This issue has been resolved in version 5.171.0 🎉

The release is available on GitHub release

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