Release 1.4.0

[lukasz-jazwa]

Merges main into release for the 1.4.0 release.

What goes to production

Library:

• Compute parts bounds leaks origin fix #793 Compute parts bounds leaks origin fix
• Add tabbable input to control the diagram's Tab order #795 tabbable input to control the diagram's Tab order
• Hidden elements #799 Hidden elements
• Palette preview containment and a drag image that matches it #801 Palette preview containment and a drag image that matches it
• Delete nodes cascade to descendants #806 Delete nodes cascade to descendants
• Prevent copied edges from reconnecting, allow dangling edges copying #807 Copied edges do not reconnect, dangling edges can be copied
• Don't include all edges when edge array is not provided in zoomToFit #808 zoomToFit includes only edges between the requested nodes
• Fix event swallow when dragging is not enabled #809 Arrow keys pan when the selection cannot move
• Edge relinking #810 Edge relinking and dangling edges
• Fix cursor flicker while drawing or relinking an edge #812 No cursor flicker while drawing or relinking an edge
• Relink handle design #814 Relink handle design
• Fix port measurement outside provider host #815 Port measurement outside the provider host
• Prepare release 1.4.0 #817 Version 1.4.0 and changelog

Docs, examples and tests:

• README: video course section + ngDiagram brand naming #800 README: video course section and ngDiagram brand naming
• Awaitable e2e tests hardening #803 Awaitable e2e tests hardening
• Expand collapse examples #804 Expand and collapse examples
• Simplify English in hidden elements docs and examples #813 Simpler English in the hidden elements docs and examples

Checks

• The merge has no conflicts (checked with git merge-tree).
• main passed the PR checks in Prepare release 1.4.0 #817 (lint, types, unit tests, API report, e2e).
• release already has Remove the New badge from Templates in the docs sidebar #816, so the Templates "New" badge stays removed.