Docs: Update object-type.asciidoc to make object type more explicit

Closes #7646
Internal: Fix serialization of PendingClusterTask.timeInQueue.

This parameter is serialized as a vLong while it could sometimes be negative.

Close #8077
fix mismatched curly bracket
Docs: Fix (another) Idaho spelling

Closes #7912
Test: make test less evil to not cause OOME
Update completion-suggest.asciidoc

Documented the `size` parameter in the completion suggester query
[CORE] Be more explicit if index.version.created is not set

Today we use the current version which might enable features that are
not supported. We should throw an exception if this setting is not
present for any index.

Closes #8018