Issue Pre-set Packages Repo during install is overwritten with default value

Issue Description

With a altered Pre-set Param [string]$IcingaRepository = 'https://packages.icinga.com/IcingaForWindows/stable/ifw.repo.json' inside of IcingaForWindows.ps1 and also during the Setup Phase the Icinga for Windows installer might fall back to the original default value https://packages.icinga.com/IcingaForWindows/stable/ifw.repo.json.

It defaults in the Base Install menu to the following:

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[0] Connection => Connecting from this system
[1] Certificate => Sign certificate manually on the Icinga CA master
[2] Hostname => "example.host.com": FQDN (lowercase)
[3] ParentZone => "master"
[4] ParentNodes => "example.master1.com", "example.master2.com"
[5] ParentAddress for "example.master1.com" => "191.168.178.1"
[6] ParentAddress for "example.master2.com" => "191.168.178.2"
[7] Port => "5665"
[8] WindowsFirewall => Do not open Windows Firewall for incoming Icinga connections
[9] ForceCertificateCreation => Do not enforce certificate creation
[10] GlobalZones => Add "director-global" and "global-templates" zones
[11] CustomZones => ""
[12] AgentVersion => "release"
[13] InstallAgent => Install Icinga Agent
[14] AgentDirectory => "C:\Program Files\ICINGA2"
[15] AgentUser => "NT Authority\NetworkService"
[16] InstallPlugins => Install plugins
[17] InstallService => Install Icinga for Windows Service
[18] WindowsServiceDirectory => "C:\Program Files\icinga-framework-service"
[19] StableRepository => "https://packages.icinga.com/IcingaForWindows/stable/ifw.repo.json"
[20] InstallJEAProfile => Do not install JEA Profile
[21] CAServer => "191.168.178.1"
[22] InstallApiChecks => Install Api-Checks feature
[23] ServiceRecovery => Enable automatic service recovery
[24] DirectorSelfServiceConfig => "{ "address": "$ifw.hostaddress$" }"

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Input (Default c):

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You need to set-again on [19] the correct Stable Repository .. even if it was set also before in the Settings in Stable Repository..

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** Icinga for Windows Management Console **
** Copyright (c) 2024 Icinga GmbH | MIT **
** User environment somewhere\user **
** Icinga PowerShell Framework v1.12.3 **

---

Please enter the URL/Path for the location of your "Icinga Stable" Repository:

"https://example.own.reposerver/IcingaForWindows/stable/ifw.repo.json"

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Probable Solution

It should at least be reflected that change might be needed instead of hiding the default value of the repo in the Install Command:

---

** Icinga for Windows Management Console **
** Copyright (c) 2024 Icinga GmbH | MIT **
** User environment somewhere\user **
** Icinga PowerShell Framework v1.12.3 **

---

Here is your configuration command for Icinga for Windows:

Install-Icinga -InstallCommand '{"IfW-ParentNodes":{"Values":["example.master1.com","example.master2.com"]},"IfW-Hostname":{"Selection":"1"},"IfW-Connection":{"Selection":"0"},"IfW-ParentZone":{"Values":["master"]},"IfW-ParentAddress":{"Values":{"example.master2.com":["192.168.178.2"],"example.master1.com":["192.168.178.1"]}}}'

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