Fixes #6731

When ctrl+m is pressed (only use default keybinding for now), tab will not be
passed to the pty and instead will propogate up and shift focus.

Part of #6731

fixes #8980

Adds custom keydown handler for #6731

fixes #9099

Support IMEs in integrated terminal

fixes #7830

fixes #9585

fixes #9543

related to #9305

Replace deprecated __ language APIs with language-configuration alternative

fixes #9338

#9537

registerDocumentLinkProvider

Fixes a issue with vim and ctrl/arrows in particular

fixes #8687

fixes #7461