[DOCS] Add missing collapsible sections in case APIs (#138588) (#138640)

(cherry picked from commit 01f8c7c)

Co-authored-by: Lisa Cawley <[email protected]>

docs/api/cases/cases-api-add-comment.asciidoc

@@ -29,6 +29,7 @@ You must have `all` privileges for the *Cases* feature in the *Management*,
 (Optional, string) An identifier for the space. If it is not specified, the
 default space is used.
 
+[role="child_attributes"]
 === {api-request-body-title}
 
 `alertId`::

docs/api/cases/cases-api-create.asciidoc

@@ -25,6 +25,7 @@ You must have `all` privileges for the *Cases* feature in the *Management*,
 (Optional, string) An identifier for the space. If it is not specified, the
 default space is used.
 
+[role="child_attributes"]
 === {api-request-body-title}
 
 `connector`::
@@ -34,12 +35,13 @@ default space is used.
 [%collapsible%open]
 ====
 `fields`::
-(Required, object) An object containing the connector fields.
+(Required, object) An object containing the connector fields. To create a case
+without a connector, specify `null`. If you want to omit any individual field,
+specify `null` as its value.
 +
---
-To create a case without a connector, specify `null`. If you want to omit any
-individual field, specify `null` as its value.
-
+.Properties of `fields`
+[%collapsible%open]
+=====
 For {ibm-r} connectors, specify:
 
 `issueTypes`:::
@@ -103,7 +105,7 @@ For {swimlane} connectors, specify:
 
 `caseId`:::
 (Required, string) The case ID.
---
+=====
 
 `id`::
 (Required, string) The identifier for the connector. To create a case without a

docs/api/cases/cases-api-set-configuration.asciidoc

@@ -35,6 +35,7 @@ you must still specify all of the connector details.
 (Optional, string) An identifier for the space. If it is not specified, the
 default space is used.
 
+[role="child_attributes"]
 === {api-request-body-title}
 
 `closure_type`::

docs/api/cases/cases-api-update-comment.asciidoc

@@ -29,6 +29,7 @@ The identifier for the case. To retrieve case IDs, use
 (Optional, string) An identifier for the space. If it is not specified, the
 default space is used.
 
+[role="child_attributes"]
 === {api-request-body-title}
 
 `alertId`::

docs/api/cases/cases-api-update-configuration.asciidoc

@@ -35,6 +35,7 @@ The identifier for the configuration. To retrieve the configuration IDs, use
 (Optional, string) An identifier for the space. If it is not specified, the
 default space is used.
 
+[role="child_attributes"]
 === Request body
 
 `closure_type`::

docs/api/cases/cases-api-update.asciidoc

@@ -25,6 +25,7 @@ You must have `all` privileges for the *Cases* feature in the *Management*,
 (Optional, string) An identifier for the space. If it is not specified, the
 default space is used.
 
+[role="child_attributes"]
 === {api-request-body-title}
 
 `cases`::
@@ -40,12 +41,13 @@ default space is used.
 [%collapsible%open]
 =====
 `fields`::
-(Required, object) An object containing the connector fields.
+(Required, object) An object containing the connector fields. To remove the
+connector, specify `null`. If you want to omit any individual field, specify
+`null` as its value.
 +
---
-To remove the connector, specify `null`. If you want to omit any individual
-field, specify `null` as its value.
-
+.Properties of `fields`
+[%collapsible%open]
+=======
 For {ibm-r} connectors, specify:
 
 `issueTypes`:::
@@ -110,7 +112,7 @@ For {swimlane} connectors, specify:
 
 `caseId`:::
 (Required, string) The identifier for the case.
---
+=======
 
 `id`::
 (Required, string) The identifier for the connector. To remove the connector,