Microwin ISO downloader (#2581)

* try1

* little fix

* change back to using Fido

* little update

* fix some stuff

* fix (maybe?)

* remove architecture selection

* add somewhat of a lang support (needs improvement)

* WIP: refractor of existing logic & addition of language selection

* WIP: correct lang display (not working rn)

* improve, fix and more

- call ed with default windows edition (Home/Pro/Edu)
- fix language combobox logic
- add @CodingWonders 's "Get-FidoLangFromCulture"
- hide comboboxes if manual ISO selection is toggled

* little output fix

- added | Out-Null to combobox item additions to prevent unneeded console output

* improve coloring

- using ToggleButtonOnColor for Radiobuttons
- add theme color ToggleButtonOffColor and use where needed

* fix lang

* fix "en-" lang

remove (United States) bc it is wrong and not accepted by fido/ms

* always add "English"

* fix theming

- add ToggleButtonOffColor to all themes

* fix merge issue

* update instructions

* update ui

- manual download is primary option
- radiobuttons renamed to refrect what they are
- fix styling of instruction
- add margin to radiobuttons

* fix  by adding line break to instructions

* fix merge issues

config/themes.json

@@ -67,6 +67,7 @@
         "ButtonBackgroundSelectedColor":  "#F0F0F0",
         "ButtonForegroundColor":  "#232629",
         "ToggleButtonOnColor":  "#2e77ff",
+        "ToggleButtonOffColor": "#707070",
         "BorderColor": "#232629",
         "BorderOpacity": "0.2"
 
@@ -100,7 +101,8 @@
         "ButtonBackgroundMouseoverColor":  "#3B4252",
         "ButtonBackgroundSelectedColor":  "#5E81AC",
         "ButtonForegroundColor":  "#F7F7F7",
-        "ToggleButtonOnColor":  "#2e77ff",
+        "ToggleButtonOnColor": "#2e77ff",
+        "ToggleButtonOffColor": "#707070",
         "BorderColor": "#2F373D",
         "BorderOpacity": "0.2"
     }