Clarify documentation about JSON Views

This commit intends to clarify the documentation by avoiding confusion
between @JSONVIEW and Spring MVC JSON views.

Fixes #22280

Author: sdeleuze

src/docs/asciidoc/web/webflux.adoc

@@ -2456,7 +2456,7 @@ for the body.
 Spring offers support for the Jackson JSON library.
 
 [[webflux-ann-jsonview]]
-===== Jackson Serialization Views
+===== JSON Views
 [.small]#<<web.adoc#mvc-ann-jackson,Same as in Spring MVC>>#
 
 Spring WebFlux provides built-in support for

src/docs/asciidoc/web/webmvc-view.adoc

@@ -2020,7 +2020,7 @@ Spring offers support for the Jackson JSON library.
 
 
 [[mvc-view-json-mapping]]
-=== Jackson-based JSON Views
+=== Jackson-based JSON MVC Views
 [.small]#<<web-reactive.adoc#webflux-view-httpmessagewriter,Same as in Spring WebFlux>>#
 
 The `MappingJackson2JsonView` uses the Jackson library's `ObjectMapper` to render the response

src/docs/asciidoc/web/webmvc.adoc

@@ -2784,7 +2784,7 @@ types for the body.
 Spring offers support for the Jackson JSON library.
 
 [[mvc-ann-jsonview]]
-===== Jackson Serialization Views
+===== JSON Views
 [.small]#<<web-reactive.adoc#webflux-ann-jsonview,Same as in Spring WebFlux>>#
 
 Spring MVC provides built-in support for