Error: Uncaught TypeError: this.el.node.getScreenCTM() is null in Firefox

[dvkruchinin]

My actions before raising this issue

• Read/searched the docs
• Searched past issues

An error occurs when the movement of the mouse cursor after removing the shape during its movement.

Expected Behaviour

The error does not occur.

Current Behaviour

The error occurs in the Firefox browser when interacting with shapes that can be moved (rectangle, points, ellipse, cuboid).

Possible Solution

Fix a bug.

Steps to Reproduce (for bugs)

1. Create any shape from rectangle, points, ellipse, cuboid.
2. Start moving and delete the shape using the Delete button.
3. Move the mouse cursor.

Context

Your Environment

• Git hash commit (git log -1): b6f3b05
• Docker version docker version (e.g. Docker 17.0.05): 20.10.7
• Are you using Docker Swarm or Kubernetes? No
• Operating System and version (e.g. Linux, Windows, MacOS): Windows 10
• Code example or link to GitHub repo or gist to reproduce problem:
• Other diagnostic information / logs:
  Logs from `cvat` container

Uncaught TypeError: this.el.node.getScreenCTM() is null
    drag svg.patch.ts:148
    start svg.draggable.js:102
    on svg.js:3459
    on svg.js:3447
    start svg.draggable.js:102
    init svg.draggable.js:18
    on svg.js:3459
    on svg.js:3447
    on svg.js:3522
    init svg.draggable.js:18
    draggable svg.draggable.js:224
    draggable svg.patch.ts:145
    activateShape canvasView.ts:1944
    activate canvasView.ts:2100
    notify canvasView.ts:1310
    notify master.ts:27
    activate canvasModel.ts:474
    activate canvas.ts:105
    activateOnCanvas canvas-wrapper.tsx:648
    componentDidUpdate canvas-wrapper.tsx:331
    React 2
    unstable_runWithPriority scheduler.production.min.js:19
    React 4
    unstable_runWithPriority scheduler.production.min.js:19
    React 4
    Redux 6
    onActivateObject canvas-wrapper.tsx:287
    TO canvas-wrapper.tsx:541
    ng canvasView.ts:1155
    ng canvasView.ts:1137
    og canvas.ts:69
    Zq annotation-reducer.ts:215
    Redux 5
    getJob annotation-actions.ts:1039
    _h Redux
    getJob annotation-actions.ts:976
    dq annotation-page.tsx:62
    React 2
    unstable_runWithPriority scheduler.production.min.js:19
    React 3
    F scheduler.production.min.js:17
    onmessage scheduler.production.min.js:14

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