Help: Indent find_package REGISTRY_VIEW paragraphs together

In commit 8d7e80cf3d (find_* commands: add control over Windows registry
views, 2022-04-16, v3.24.0-rc1~201^2) this indentation was used for the
other find commands but was left out for `find_package`.

Help/command/find_package.rst

@@ -346,7 +346,7 @@ that order).
   ``REGISTRY_VIEW`` can be specified to manage ``Windows`` registry queries
   specified as part of ``PATHS`` and ``HINTS``.
 
-.. include:: FIND_XXX_REGISTRY_VIEW.txt
+  .. include:: FIND_XXX_REGISTRY_VIEW.txt
 
 If ``PATH_SUFFIXES`` is specified, the suffixes are appended to each
 (``W``) or (``U``) directory entry one-by-one.