style(ui): replace 'Get' with 'Select' (#5054)

* style(ui): replace 'Get' with 'Select'

To a programmer, 'Get' means read the current state. To a lay user, 'Get' means obtain or download (like the 'Get' button in the Microsoft Store).
'Select' indicates exactly what it does and maintains parallelism with 'Select All'.

* docs: align installed tweak references with selection labels

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Co-authored-by: Chris Titus <contact@christitus.com>

functions/private/Get-WinUtilTweaksStateReport.ps1

@@ -2,7 +2,7 @@ function Get-WinUtilTweaksStateReport {
     <#
     .SYNOPSIS
         Groups every config/tweaks.json entry's live applied state by category, reusing the same
-        detection Invoke-WPFGetInstalled uses to check the "Get Installed Tweaks" checkboxes.
+        detection Invoke-WPFGetInstalled uses to check the "Select Installed Tweaks" checkboxes.
     #>
 
     $categoryFieldNames = [ordered]@{