file gets converted to utf8 when staging block and commitng

[imre84]

Type: Bug

Steps to Reproduce:

1. have a remote repo over ssh with git
2. have a file inside with the encoding iso88592
3. modify this file
4. click source control, click this file, click stage block
5. commit
6. verify that your file was converted from iso88592 to utf8

actual behaviour:

your file was converted from iso88592 to utf8 in the source tree (check git diff)

desired behaviour:

your file should have remained iso88592

Extension version: 0.114.3
VS Code version: Code 1.93.1 (38c31bc77e0dd6ae88a4e9cc93428cc27a56ba40, 2024-09-11T17:20:05.685Z)
OS version: Windows_NT x64 10.0.22631
Modes:
Remote OS version: Linux x64 3.10.0-693.el7.x86_64

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz (12 x 3192)
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 skia_graphite: disabled_off video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	undefined
Memory (System)	31.85GB (24.21GB free)
Process Argv	--crash-reporter-id 9f3a94e7-ea8f-4b30-ac79-e97332041963
Screen Reader	no
VM	0%

Item	Value
Remote	SSH: hostname
OS	Linux x64 3.10.0-693.el7.x86_64
CPUs	Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz (4 x 0)
Memory (System)	31.26GB (8.24GB free)
VM	100%

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