feat(windows): NSIS uninstaller icon and header image support (#15201)

* feat: NSIS uninstaller support.

* chore: fix typo and update schema.

* fix: comments and alias.

* fix: add pages for uninst sidebar.

* chore: fix typo in comments of fields.

* fix: group HEADERIMAGE.

* fix: remove welcome/finish of uninstaller.

* fix: remove uninstaller_sidebar_image.

* Update crates/tauri-utils/src/config.rs

Co-authored-by: Tony <68118705+Legend-Master@users.noreply.github.com>

* chore: revert comments.

* chore: update schema.

* Update crates/tauri-utils/src/config.rs

Co-authored-by: Tony <68118705+Legend-Master@users.noreply.github.com>

* Update crates/tauri-utils/src/config.rs

Co-authored-by: Tony <68118705+Legend-Master@users.noreply.github.com>

* fix: typo of installer_icon.

* chore: add change file.

* fix: typo.

* chore: update config.json.

* Update .changes/feat-uninstaller-icon-image.md

Co-authored-by: Tony <68118705+Legend-Master@users.noreply.github.com>

* fix: revert alias.

* chore: update comments in settings.rs.

* chore: update comments.

* fix: installer.nsi

* fix: installer.nsi

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Co-authored-by: Tony <68118705+Legend-Master@users.noreply.github.com>