Add a finite point question to gallery (#1541)

## Summary:
Adds a finite point question so its easier to test infinite points vs. finite points.

<img width="2289" alt="Pasted_Image_8_21_24__1_26 PM" src="https://github.com/user-attachments/assets/1df8d2df-aba0-46e3-a1d5-21197a39ac8d">


Issue: LEMS-1816

## Test plan:
- Visit the gallery
- **There should be a new question**

Author: nicolecomputer

Reviewers: benchristel

Required Reviewers:

Approved By: benchristel

Checks: ✅ codecov/project, ✅ codecov/patch, ✅ Upload Coverage (ubuntu-latest, 20.x), ✅ Publish npm snapshot (ubuntu-latest, 20.x), ✅ Jest Coverage (ubuntu-latest, 20.x), ✅ Check builds for changes in size (ubuntu-latest, 20.x), ✅ Lint, Typecheck, Format, and Test (ubuntu-latest, 20.x), ✅ Cypress (ubuntu-latest, 20.x), ✅ Check for .changeset entries for all changed files (ubuntu-latest, 20.x), 🚫 Upload Coverage, ✅ gerald, 🚫 Publish npm snapshot (ubuntu-latest, 20.x), 🚫 Lint, Typecheck, Format, and Test (ubuntu-latest, 20.x), 🚫 Check builds for changes in size (ubuntu-latest, 20.x), ✅ Check for .changeset entries for all changed files (ubuntu-latest, 20.x), 🚫 Jest Coverage (ubuntu-latest, 20.x), 🚫 Cypress (ubuntu-latest, 20.x), ✅ Publish Storybook to Chromatic (ubuntu-latest, 20.x), ✅ gerald

Pull Request URL: #1541

.changeset/selfish-kiwis-collect.md

@@ -0,0 +1,6 @@
+---
+"@khanacademy/perseus-dev-ui": patch
+"@khanacademy/perseus": patch
+---
+
+Adds a finite point question to dev gallery

dev/gallery.tsx

@@ -26,6 +26,7 @@ import "../packages/perseus/src/styles/perseus-renderer.less";
 const questions: [PerseusRenderer, number][] = pairWithIndices([
     interactiveGraph.segmentQuestion,
     interactiveGraph.pointQuestion,
+    interactiveGraph.finitePointQuestion,
     interactiveGraph.angleQuestion,
     interactiveGraph.linearSystemQuestion,
     interactiveGraph.circleQuestion,

packages/perseus/src/widgets/__testdata__/interactive-graph.testdata.ts

@@ -118,6 +118,27 @@ export const pointQuestionWithStartingCoords: PerseusRenderer =
         })
         .build();
 
+export const finitePointQuestion: PerseusRenderer =
+    interactiveGraphQuestionBuilder()
+        .withContent(
+            "Vector $\\vec v$ is graphed in the interactive graph below.\n\n**Assuming $3\\vec v$ starts at the origin, plot its endpoint.**\n\n[[\u2603 interactive-graph 1]]",
+        )
+        .withBackgroundImage(
+            "web+graphie://ka-perseus-graphie.s3.amazonaws.com/d6983eff3063dac5815cc4d48c565cddba819765",
+            400,
+            400,
+        )
+        .withMarkings("none")
+        .withGridStep(1, 1)
+        .withSnapStep(1, 1)
+        .withTickStep(1, 1)
+        .withXRange(-8, 8)
+        .withYRange(-8, 8)
+        .withPoints(1, {
+            coords: [[0, 0]],
+        })
+        .build();
+
 export const polygonQuestion: PerseusRenderer =
     interactiveGraphQuestionBuilder()
         .withContent(