fix: missing statusCode in PENDING over ws

Initialise the statusCode of the request always to 202 along
with state: 'PENDING' when it is created. Remove setting the
statusCode to 202 that was only in the http put handling code
path.

Fixes #1506.

src/put.js

@@ -218,7 +218,6 @@ function putPath(app, contextParam, path, body, req, requestId, updateCb) {
                   if (reply.state === 'PENDING') {
                     // backwards compatibility
                     reply.action = { href: reply.href }
-                    reply.statusCode = 202
                   }
                   resolve(reply)
                 })

src/requestResponse.js

@@ -21,6 +21,7 @@ function createRequest(app, type, clientRequest, user, clientIp, updateCb) {
       ip: clientIp || undefined,
       date: new Date(),
       state: 'PENDING',
+      statusCode: 202,
       updateCb: updateCb,
       user: user || undefined
     }

test/put.js

@@ -79,7 +79,7 @@ describe('Put Requests', () => {
     result.status.should.equal(405)
   })
 
-  it('HTTP successfull put', async function () {
+  it('HTTP successful PUT', async function () {
     let result = await fetch(
       `${url}/signalk/v1/api/vessels/self/electrical/switches/switch2.state`,
       {
@@ -98,6 +98,7 @@ describe('Put Requests', () => {
     let response = await result.json()
     response.should.have.property('state')
     response.state.should.equal('PENDING')
+    response.statusCode.should.equal(202)
     response.should.have.property('href')
 
     await sleep(200)