Allow Developers to Manually Request Permissions when using `CameraView`, `FileSaver`, `FolderPicker` and `SpeechToText`#2934

TheCodeTraveler merged 11 commits intomainCommunityToolkit/Maui:mainfrom

bugfix/2930-remove-permissionsCommunityToolkit/Maui:bugfix/2930-remove-permissionsCopy head branch name to clipboard