feat(coderd): set full name from IDP name claim (#13468)

* Updates OIDC and GitHub OAuth login to fetch set name from relevant claim fields
* Adds CODER_OIDC_NAME_FIELD as configurable source of user name claim
* Adds httpapi function to normalize a username such that it will pass validation
* Adds firstName / lastName fields to dev OIDC setup

cli/server.go

@@ -169,6 +169,7 @@ func createOIDCConfig(ctx context.Context, vals *codersdk.DeploymentValues) (*co
 		EmailDomain:         vals.OIDC.EmailDomain,
 		AllowSignups:        vals.OIDC.AllowSignups.Value(),
 		UsernameField:       vals.OIDC.UsernameField.String(),
+		NameField:           vals.OIDC.NameField.String(),
 		EmailField:          vals.OIDC.EmailField.String(),
 		AuthURLParams:       vals.OIDC.AuthURLParams.Value,
 		IgnoreUserInfo:      vals.OIDC.IgnoreUserInfo.Value(),

cli/testdata/coder_server_--help.golden

@@ -407,6 +407,9 @@ OIDC OPTIONS:
       --oidc-issuer-url string, $CODER_OIDC_ISSUER_URL
           Issuer URL to use for Login with OIDC.
 
+      --oidc-name-field string, $CODER_OIDC_NAME_FIELD (default: name)
+          OIDC claim field to use as the name.
+
       --oidc-group-regex-filter regexp, $CODER_OIDC_GROUP_REGEX_FILTER (default: .*)
           If provided any group name not matching the regex is ignored. This
           allows for filtering out groups that are not needed. This filter is

cli/testdata/server-config.yaml.golden

@@ -306,6 +306,9 @@ oidc:
   # OIDC claim field to use as the username.
   # (default: preferred_username, type: string)
   usernameField: preferred_username
+  # OIDC claim field to use as the name.
+  # (default: name, type: string)
+  nameField: name
   # OIDC claim field to use as the email.
   # (default: email, type: string)
   emailField: email