Closes gh-24937

Closes gh-24949

Update `CompositeHandlerMapping` so that the `usesPathPatterns()` method
returns `true` if any of the delegate mappings return `true`.

Closes gh-24877

Closes gh-24931

Closes gh-24935

In preparation to the upgrade to Spring Data 2021.0, this commit removes
auto-configuration for Spring Data Solr.

Closes gh-24939

See gh-24943

See gh-24943

See gh-24942

Closes gh-24943

Closes gh-24942

Closes gh-24930

Closes gh-24929

Closes gh-24928

Closes gh-24927

Closes gh-24926

Closes gh-24925

Closes gh-24924

Closes gh-24923

Closes gh-24922

Closes gh-24921

Closes gh-24920

Closes gh-24919

Closes gh-24918

Closes gh-24917

Closes gh-24916

Closes gh-24915

Closes gh-24914

Closes gh-24913

Closes gh-24912

Closes gh-24911

Closes gh-24910

Closes gh-24909

Closes gh-24908

Closes gh-24907