fix(oas3-editor-rendering): default to first server if current server becomes invalid (#4139)

* Remove produces/consumes setter from OperationContainer

* Store consumes/produces information in `meta` key

* Migrate produces value state usage to `meta` key

* use meta consumes data for isXml check

* Fix failing tests

* normalize action name casing

* restore correct produces fallback value logic

* default to first server if current server is invalid

src/core/plugins/oas3/components/servers.jsx

@@ -35,7 +35,11 @@ export default class Servers extends React.Component {
     if(this.props.currentServer !== nextProps.currentServer) {
       // Server has changed, we may need to set default values
       let currentServerDefinition = servers
-        .find(v => v.get("url") === nextProps.currentServer) || OrderedMap()
+        .find(v => v.get("url") === nextProps.currentServer)
+
+      if(!currentServerDefinition) {
+        return this.setServer(servers.first().get("url"))
+      }
 
       let currentServerVariableDefs = currentServerDefinition.get("variables") || OrderedMap()
 
@@ -90,6 +94,7 @@ export default class Servers extends React.Component {
       getEffectiveServerValue
     } = this.props
 
+
     let currentServerDefinition = servers.find(v => v.get("url") === currentServer) || OrderedMap()
 
     let currentServerVariableDefs = currentServerDefinition.get("variables") || OrderedMap()