See gh-23346

Closes gh-23349

Closes gh-23346

Closes gh-23352

Closes gh-23352

Prior to this commit, there was some ambiguity surrounding semantics
for @Autowired constructors and `required = true`, especially for
multiple @Autowired constructors.

This commit improves the documentation in the Javadoc for @Autowired as
well as in the reference manual.

Closes gh-23263

Prior to this commit, if the user configured an empty path for the
targetRequestPath property of a FlashMap, the FlashMapManager threw a
StringIndexOutOfBoundsException when saving the output FlashMap for the
next request.

This commit fixes this by skipping the decoding and normalization of an
empty target request path.

Fixes gh-23240

Closes gh-23172

Prior to this commit, ScriptUtils did not properly split SQL
scripts that contained line endings for MS Windows.

Closes gh-23019

Closes gh-22983

Closes gh-22960

Closes gh-22955

Closes gh-22912

Backport of gh-22903
Closes gh-22904

Closes gh-22358

Closes gh-22851

Closes gh-22742

This commit brings back the support for registration of multiple
Jackson modules with a null typeId.

Closes gh-22764