[7.17] Clarify index template settings precedence (#87374) (#97121)

[docs] Clarify that index template settings take precedence over component templates.

Co-authored-by: Toby Sutor <[email protected]>
Co-authored-by: Abdon Pijpelink <[email protected]>
Co-authored-by: Adam Locke <[email protected]>

Author: 4 people

docs/reference/indices/index-templates.asciidoc

@@ -28,6 +28,8 @@ applied.
 template, the settings from the <<indices-create-index,create index>> request
 take precedence over settings specified in the index template and its component
 templates.
+* Settings specified in the index template itself take precedence over the settings
+in its component templates.
 * If a new data stream or index matches more than one index template, the index
 template with the highest priority is used.