feat: add tryItOutEnabled configuration (#6865)

* feat: add tryItOutEnabled configuration

allow users to set tryItOutEnabled: true to display
the "Try it out" section by default

tryItOutEnabled to take === "true" for the
query string value or === true if someone
implements query string type parsing in the query

test/unit/docker/translator.js

@@ -245,6 +245,7 @@ describe("docker: env translator", function() {
         OAUTH2_REDIRECT_URL: "http://google.com/",
         SHOW_MUTATED_REQUEST: "true",
         SUPPORTED_SUBMIT_METHODS: `["get", "post"]`,
+        TRY_IT_OUT_ENABLED: "true",
         VALIDATOR_URL: "http://smartbear.com/"
       }
 
@@ -270,6 +271,7 @@ describe("docker: env translator", function() {
       oauth2RedirectUrl: "http://google.com/",
       showMutatedRequest: true,
       supportedSubmitMethods: ["get", "post"],
+      tryItOutEnabled: true,
       validatorUrl: "http://smartbear.com/",`
       ).trim())
     })
@@ -299,6 +301,7 @@ describe("docker: env translator", function() {
         OAUTH2_REDIRECT_URL: "http://google.com/",
         SHOW_MUTATED_REQUEST: "true",
         SUPPORTED_SUBMIT_METHODS: `["get", "post"]`,
+        TRY_IT_OUT_ENABLED: "false",
         VALIDATOR_URL: "http://smartbear.com/"
       }
 
@@ -331,6 +334,7 @@ describe("docker: env translator", function() {
       oauth2RedirectUrl: "http://google.com/",
       showMutatedRequest: true,
       supportedSubmitMethods: ["get", "post"],
+      tryItOutEnabled: false,
       validatorUrl: "http://smartbear.com/",`
       ).trim())
     })