The searching functions in ITextModel allow one of its parameters to
be null but the typings does not have this declared. If someone is
compiling code in strict null checking mode then a false positive
error will be flagged.
Signed-off-by: NRemy Suen <remy.suen@gmail.com>

Fixes #44300

Upgrade to use web audio api in xterm.js

Extract shouldEnableDotCompletions

Extract getConfigurationForResource

Reorder methods

Format sig

We only want to swallow exceptions around the request itself

#44166

Part of #44302

Fixes #41415

Support theming of active line number

fixes #42139