Killing install terminal closes connection

Nobody has claimed this yet.

Type: Bug

I have "remote.SSH.showLoginTerminal": true because I'm connecting to a system that uses 2-factor authentication, and the 2nd factor prompt only appears in the terminal. After connecting, the install terminal persists, and killing it closes the connection.

This terminal is useless as commands can't be typed into it (other than the password prompts), so it should be possible to kill or hide it so it doesn't take up space.

Extension version: 0.26.0
VS Code version: Code 1.103.2 (6f17636121051a53c88d3e605c491d22af2ba755, 2025-08-20T16:45:34.255Z)
OS version: Windows_NT x64 10.0.26100
Modes:
Remote OS version: Linux x64 5.14.0-570.30.1.el9_6.x86_64
Remote OS version: Linux x64 5.14.0-503.26.1.el9_5.x86_64

System Info

Item	Value
CPUs	11th Gen Intel(R) Core(TM) i7-11370H @ 3.30GHz (8 x 3302)
GPU Status	2d_canvas: enabled 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 trees_in_viz: 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)	31.84GB (8.00GB free)
Process Argv	--crash-reporter-id e8a96201-29ce-407a-9506-937a3be04ace
Screen Reader	no
VM	0%

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No source files or tests are named. Reproduce with remote.SSH.showLoginTerminal enabled and a 2-factor SSH connection, then trace the Remote SSH install terminal lifecycle; done means the terminal can be hidden or closed without disconnecting the established connection.

Written by the indexing model from the issue text.

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