feat: split cli roles edit command into create and update commands (#17121)

Closes #14239

cli/testdata/coder_organizations_roles_--help.golden

@@ -8,8 +8,9 @@ USAGE:
   Aliases: role
 
 SUBCOMMANDS:
-    edit    Edit an organization custom role
-    show    Show role(s)
+    create    Create a new organization custom role
+    show      Show role(s)
+    update    Update an organization custom role
 
 ———
 Run `coder --help` for a list of global options.

cli/testdata/coder_organizations_roles_create_--help.golden

@@ -0,0 +1,24 @@
+coder v0.0.0-devel
+
+USAGE:
+  coder organizations roles create [flags] <role_name>
+
+  Create a new organization custom role
+
+    - Run with an input.json file:
+  
+       $ coder organization -O <organization_name> roles create --stidin <
+  role.json
+
+OPTIONS:
+      --dry-run bool
+          Does all the work, but does not submit the final updated role.
+
+      --stdin bool
+          Reads stdin for the json role definition to upload.
+
+  -y, --yes bool
+          Bypass prompts.
+
+———
+Run `coder --help` for a list of global options.

cli/testdata/coder_organizations_roles_update_--help.golden

@@ -1,13 +1,13 @@
 coder v0.0.0-devel
 
 USAGE:
-  coder organizations roles edit [flags] <role_name>
+  coder organizations roles update [flags] <role_name>
 
-  Edit an organization custom role
+  Update an organization custom role
 
     - Run with an input.json file:
   
-       $ coder roles edit --stdin < role.json
+       $ coder roles update --stdin < role.json
 
 OPTIONS:
   -c, --column [name|display name|organization id|site permissions|organization permissions|user permissions] (default: name,display name,site permissions,organization permissions,user permissions)