Update create realm topics to replace Master

Closes #29280

Signed-off-by: AndyMunro <amunro@redhat.com>

docs/documentation/server_admin/topics/realms/proc-creating-a-realm.adoc

@@ -11,9 +11,7 @@ realm and only be able to interact with customer-facing apps.
 
 .Procedure
 
-. Point to the top of the left pane.
-
-. Click *Create Realm*.
+. Click *{project_name}* next to *master realm*, then click *Create Realm*.
 +
 .Add realm menu
 image:images/add-realm-menu.png[Add realm menu]

docs/guides/getting-started/templates/realm-config.adoc

@@ -11,7 +11,7 @@ includes a single realm, called `master`. Use this realm only for managing {proj
 Use these steps to create the first realm.
 
 . Open the {links-admin-console}.
-. Click the word *master* in the top-left corner, then click *Create Realm*.
+. Click *{project_name}* next to *master realm*, then click *Create Realm*.
 . Enter `myrealm` in the *Realm name* field.
 . Click *Create*.
 
@@ -21,8 +21,7 @@ image::add-realm.png[Add realm]
 
 Initially, the realm has no users. Use these steps to create a user:
 
-. Open the {links-admin-console}.
-. Click the word *master* in the top-left corner, then click *myrealm*.
+. Verify that you are still in the *myrealm* realm, which is shown above the word *Manage*.
 . Click *Users* in the left-hand menu.
 . Click *Add user*.
 . Fill in the form with the following values: