chore: rename searchCompositionParams to body

Author: e-krebs

specs/composition/paths/search/search.yml

@@ -15,7 +15,7 @@ post:
     content:
       application/json:
         schema:
-          title: searchCompositionParams
+          title: body
           type: object
           additionalProperties: false
           properties:

tests/CTS/requests/composition/search.json

@@ -2,15 +2,15 @@
   {
     "parameters": {
       "compositionID": "foo",
-      "searchCompositionParams": {
-        "params": {"query": "batman"}
+      "body": {
+        "params": { "query": "batman" }
       }
     },
     "request": {
       "path": "/1/compositions/foo/run",
       "method": "POST",
       "body": {
-        "params": {"query": "batman"}
+        "params": { "query": "batman" }
       }
     }
   }