Return argument not colored properly if multiline

[PythonCoderAS]

Type: Bug

When putting this into a TypeScript file:

type MyType<T> = { func: T };

function AFunction<T>(arg: T): MyType<T> {
    return { func: arg };
}

const x = AFunction<(arg: string) => unknown>(() => {});
const y = AFunction<
    (arg: string) => unknown
>(() => {});

The first unknown is colored but the second unknown is not for some reason.

VS Code version: Code 1.84.2 (1a5daa3, 2023-11-09T10:52:57.054Z)
OS version: Darwin arm64 22.6.0
Modes:

System Info

Item	Value
CPUs	Apple M1 (8 x 24)
GPU Status	2d_canvas: enabled canvas_oop_rasterization: enabled_on direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled
Load (avg)	5, 5, 6
Memory (System)	8.00GB (0.13GB free)
Process Argv	--crash-reporter-id 2b0708f4-d206-4f56-bb5c-21ca647cc418
Screen Reader	no
VM	0%

Extensions (38)

Extension	Author (truncated)	Version
vscode-sqlite	ale	0.14.1
vscode-intelephense-client	bme	1.10.1
doxdocgen	csc	1.4.0
vscode-eslint	dba	2.4.2
python-environment-manager	don	1.2.4
gitlens	eam	14.5.2
EditorConfig	Edi	0.16.4
prettier-vscode	esb	10.1.0
copilot	Git	1.139.0
copilot-chat	Git	0.10.2
vscode-github-actions	git	0.26.2
gc-excelviewer	Gra	4.2.58
discord-vscode	icr	5.8.0
latex-workshop	Jam	9.15.0
better-cpp-syntax	jef	1.17.2
mips	kda	0.1.1
rainbow-csv	mec	3.9.0
vscode-apache	mrm	1.2.0
vscode-docker	ms-	1.28.0
python	ms-	2023.20.0
vscode-pylance	ms-	2023.11.10
jupyter	ms-	2023.10.1100000000
jupyter-keymap	ms-	1.1.2
jupyter-renderers	ms-	1.0.17
vscode-jupyter-cell-tags	ms-	0.1.8
vscode-jupyter-slideshow	ms-	0.1.5
remote-containers	ms-	0.321.0
remote-ssh	ms-	0.107.1
remote-ssh-edit	ms-	0.86.0
cpptools	ms-	1.18.5
cpptools-extension-pack	ms-	1.3.0
hexeditor	ms-	1.9.12
makefile-tools	ms-	0.7.0
remote-explorer	ms-	0.4.1
vscode-github-issue-notebooks	ms-	0.0.130
vsliveshare	ms-	1.0.5896
veriloghdl	msh	1.13.0
autodocstring	njp	0.6.1

(1 theme extensions excluded)

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[PythonCoderAS]

[alexr00]

Moved to microsoft/TypeScript-TmLanguage#1002