Feature/appx removal tab (#4729)

* feat: add config-driven AppX package removal tab

- Add config/appx.json with curated list of removable AppX packages

- Add AppX Removal tab (WPFTab6) with Select All, Clear, and Remove buttons

- Reuse existing Invoke-WPFUIElements engine for minimal code footprint

- Add Invoke-WPFAppxRemoval.ps1 for background runspace package removal

- Add theme colors for the new tab button in light and dark modes

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* Update inputXML.xaml

* Update Invoke-WPFButton.ps1

* Update Invoke-WPFButton.ps1

* Update Invoke-WPFSelectedCheckboxesUpdate.ps1

* Update appx.json

* Update appx.json

* Update appx.json

* Update tweaks.json

* Update appx.json

* Update appx.json

* Update appx.json

* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFButton.ps1

* Delete functions/public/Invoke-WPFAppxRemoval.ps1

* Revert "Update Invoke-WPFButton.ps1"

This reverts commit d8705cc08e.

* Revert "Delete functions/public/Invoke-WPFAppxRemoval.ps1"

This reverts commit 9e45d1ad99.

* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFButton.ps1

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* Update appx.json

* Update appx.json

* Update tweaks.json

* Update start.ps1

* Update preset.json

* Update tweaks.json

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* Update Invoke-WPFAppxRemoval.ps1

* Update Update-WinUtilSelections.ps1

* Update Update-WinUtilSelections.ps1

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* Update Invoke-WPFAppxRemoval.ps1

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* Update Invoke-WPFAppxRemoval.ps1

* Update appx.json

* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFAppxRemoval.ps1

* Update appx.json

* Update Invoke-WPFGetInstalled.ps1

* Update Invoke-WPFAppxRemoval.ps1

* yep

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* Update Invoke-WPFSelectedCheckboxesUpdate.ps1

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* yep

* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFAppxRemoval.ps1

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* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFAppxRemoval.ps1

* Update appx.json

* Update Invoke-WPFImpex.ps1

* Update Invoke-WPFImpex.ps1

* Update Invoke-WPFAppxRemoval.ps1

* Update preset.json

* Update preset.json

* Update Invoke-WPFSelectedCheckboxesUpdate.ps1

* Update Invoke-WPFAppxRemoval.ps1

* Update tweaks.json

* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFAppxRemoval.ps1

* Update Invoke-WPFAppxRemoval.ps1

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* Update Invoke-WPFAppxRemoval.ps1

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* Delete functions/private/Find-AppxByNameOrDescription.ps1

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* Update Invoke-WPFButton.ps1

* Update main.ps1

* Update Invoke-WPFTab.ps1

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* Update themes.json

config/themes.json

@@ -65,11 +65,13 @@
     "ButtonConfigBackgroundColor": "#F7F7F7",
     "ButtonUpdatesBackgroundColor": "#F7F7F7",
     "ButtonWin11ISOBackgroundColor": "#F7F7F7",
+    "ButtonAppxBackgroundColor": "#F7F7F7",
     "ButtonInstallForegroundColor": "#232629",
     "ButtonTweaksForegroundColor": "#232629",
     "ButtonConfigForegroundColor": "#232629",
     "ButtonUpdatesForegroundColor": "#232629",
     "ButtonWin11ISOForegroundColor": "#232629",
+    "ButtonAppxForegroundColor": "#232629",
     "ButtonBackgroundColor": "#F5F5F5",
     "ButtonBackgroundPressedColor": "#1A1A1A",
     "ButtonBackgroundMouseoverColor": "#C2C2C2",
@@ -105,11 +107,13 @@
     "ButtonConfigBackgroundColor": "#444444",
     "ButtonUpdatesBackgroundColor": "#555555",
     "ButtonWin11ISOBackgroundColor": "#666666",
+    "ButtonAppxBackgroundColor": "#777777",
     "ButtonInstallForegroundColor": "#F7F7F7",
     "ButtonTweaksForegroundColor": "#F7F7F7",
     "ButtonConfigForegroundColor": "#F7F7F7",
     "ButtonUpdatesForegroundColor": "#F7F7F7",
     "ButtonWin11ISOForegroundColor": "#F7F7F7",
+    "ButtonAppxForegroundColor": "#F7F7F7",
     "ButtonBackgroundColor": "#1E3747",
     "ButtonBackgroundPressedColor": "#F7F7F7",
     "ButtonBackgroundMouseoverColor": "#3B4252",