Make request objects required (#17909)

changelog/17909.txt

@@ -0,0 +1,3 @@
+```release-note:improvement
+openapi: Mark request body objects as required 
+```

sdk/framework/openapi.go

@@ -146,6 +146,7 @@ type OASParameter struct {
 
 type OASRequestBody struct {
 	Description string     `json:"description,omitempty"`
+	Required    bool       `json:"required,omitempty"`
 	Content     OASContent `json:"content,omitempty"`
 }
 
@@ -391,6 +392,7 @@ func documentPath(p *Path, specialPaths *logical.Paths, requestResponsePrefix st
 					requestName := constructRequestName(requestResponsePrefix, path)
 					doc.Components.Schemas[requestName] = s
 					op.RequestBody = &OASRequestBody{
+						Required: true,
 						Content: OASContent{
 							"application/json": &OASMediaTypeObject{
 								Schema: &OASSchema{Ref: fmt.Sprintf("#/components/schemas/%s", requestName)},

sdk/framework/testdata/legacy.json

@@ -38,6 +38,7 @@
         "summary": "Synopsis",
         "tags": ["secrets"],
         "requestBody": {
+          "required": true,
           "content": {
             "application/json": {
               "schema": {

sdk/framework/testdata/operations.json

@@ -63,6 +63,7 @@
         "summary": "Update Summary",
         "description": "Update Description",
         "requestBody": {
+          "required": true,
           "content": {
             "application/json": {
               "schema": {