Related #75945

Diff: https://github.com/xtermjs/xterm.js/compare/689fb6b...d20068c

Changes:

- Make dispose idempotent

Fixes #78184

Fixed remaining upper case 'For' in similar menu item which is reported
and fixed at #27532.

Use active indent guide when active tree item is folder

dialog box add aria-label

This reverts commit bd387921.

Fixes #78269

Int-Tests: use memfs instead of fs

Fixes #78180

This way it goes through the absolute and relative checks

Fixes #78206

Redo emmet change. Fix #70371

Fixes #78157