Fixed area checking for skeleton in case with two points (#6156)

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([cvat-canvas](https://github.com/opencv/cvat/tree/develop/cvat-canvas#versioning),

[cvat-core](https://github.com/opencv/cvat/tree/develop/cvat-core#versioning),

[cvat-data](https://github.com/opencv/cvat/tree/develop/cvat-data#versioning)
and

[cvat-ui](https://github.com/opencv/cvat/tree/develop/cvat-ui#versioning))

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CHANGELOG.md

@@ -33,12 +33,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Image scaling when moving between images with different resolution (<https://github.com/opencv/cvat/pull/6081>)
 - Invalid completed job count reporting (<https://github.com/opencv/cvat/issues/6098>)
 - OpenVINO-based Nuclio functions can now be deployed to Kubernetes
-  (<https://github.com/opencv/cvat/pull/6129>).
+  (<https://github.com/opencv/cvat/pull/6129>)
+- Adjusted skeleton size checking after drawing (<https://github.com/opencv/cvat/pull/6156>)
 - HRNet CPU serverless function
   (<https://github.com/opencv/cvat/pull/6150>)
 - Sending empty list of events
   (<https://github.com/opencv/cvat/pull/6154>)
 
+
 ### Security
 - TDB
 

cvat-canvas/package.json

 {
   "name": "cvat-canvas",
-  "version": "2.16.5",
+  "version": "2.16.6",
   "description": "Part of Computer Vision Annotation Tool which presents its canvas library",
   "main": "src/canvas.ts",
   "scripts": {

cvat-canvas/src/typescript/drawHandler.ts

@@ -72,6 +72,11 @@ function checkConstraint(shapeType: string, points: number[], box: Box | null =
             (points.length === 2 * 2 && (points[2] - points[0]) * (points[3] - points[1]) >= consts.AREA_THRESHOLD);
     }
 
+    if (shapeType === 'skeleton') {
+        const [xtl, ytl, xbr, ybr] = points;
+        return (xbr - xtl >= 1 || ybr - ytl >= 1);
+    }
+
     return false;
 }
 
@@ -762,7 +767,7 @@ export class DrawHandlerImpl implements DrawHandler {
                 this.release();
 
                 if (this.canceled) return;
-                if (checkConstraint('rectangle', [xtl, ytl, xbr, ybr])) {
+                if (checkConstraint('skeleton', [xtl, ytl, xbr, ybr])) {
                     this.onDrawDone({
                         clientID,
                         shapeType,