update studio media options tray copy

closes MAT-1309
flag=rce_show_studio_media_options

test plan:
-embed a studio video in the RCE via the lti tool
-make sure to uncheck 'display media tabs'
>open the tray and confirm it has the updated copy

qa risk: low

Change-Id: I778c426026024b0cd84f08606ef637540945012d
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/314988
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
Reviewed-by: Yona Appletree <yona.appletree@instructure.com>
QA-Review: Yona Appletree <yona.appletree@instructure.com>
Product-Review: Allison Howell <allison.howell@instructure.com>

packages/canvas-rce/src/rce/plugins/instructure_record/VideoOptionsTray/__tests__/VideoOptionsTray.test.js

@@ -244,7 +244,7 @@ describe('RCE "Videos" Plugin > VideoOptionsTray', () => {
     })
   })
 
-  describe('Studio Options Tray', () => {
+  describe('Studio Media Options Tray', () => {
     beforeEach(() => {
       props.studioOptions = {
         resizable: true,
@@ -252,14 +252,14 @@ describe('RCE "Videos" Plugin > VideoOptionsTray', () => {
       }
     })
 
-    it('is labeled with "Canvas Studio Options Tray"', () => {
+    it('is labeled correctly', () => {
       const {getByLabelText} = render(<VideoOptionsTray {...props} />)
-      expect(getByLabelText('Canvas Studio Options Tray')).toBeInTheDocument()
+      expect(getByLabelText('Studio Media Options Tray')).toBeInTheDocument()
     })
 
-    it('the heading says "Canvas Studio Options"', () => {
+    it('has the correct heading', () => {
       const {getByText} = render(<VideoOptionsTray {...props} />)
-      expect(getByText('Canvas Studio Options')).toBeInTheDocument()
+      expect(getByText('Studio Media Options')).toBeInTheDocument()
     })
 
     it('has a "Media Title" field', () => {

packages/canvas-rce/src/rce/plugins/instructure_record/VideoOptionsTray/index.js

@@ -160,7 +160,7 @@ export default function VideoOptionsTray({
           data-mce-component={true}
           label={
             isStudio
-              ? formatMessage('Canvas Studio Options Tray')
+              ? formatMessage('Studio Media Options Tray')
               : formatMessage('Video Options Tray')
           }
           mountNode={instuiPopupMountNode}
@@ -180,7 +180,7 @@ export default function VideoOptionsTray({
                 <Flex.Item shouldGrow={true} shouldShrink={true}>
                   <Heading as="h2">
                     {isStudio
-                      ? formatMessage('Canvas Studio Options')
+                      ? formatMessage('Studio Media Options')
                       : formatMessage('Video Options')}
                   </Heading>
                 </Flex.Item>