feat: convert entire CLI to clibase (#6491)

I'm sorry.

cli/testdata/coder_users_create_--help.golden

@@ -1,25 +1,14 @@
-Usage:
-  coder users create [flags]
+Usage: coder users create [flags]
 
-Flags:
-  -e, --email string      Specifies an email address for the new user.
-  -h, --help              help for create
-  -p, --password string   Specifies a password for the new user.
-  -u, --username string   Specifies a username for the new user.
+Options
+  -e, --email string
+          Specifies an email address for the new user.
 
-Global Flags:
-      --global-config coder   Path to the global coder config directory.
-                              Consumes $CODER_CONFIG_DIR (default "~/.config/coderv2")
-      --header stringArray    HTTP headers added to all requests. Provide as "Key=Value".
-                              Consumes $CODER_HEADER
-      --no-feature-warning    Suppress warnings about unlicensed features.
-                              Consumes $CODER_NO_FEATURE_WARNING
-      --no-version-warning    Suppress warning when client and server versions do not match.
-                              Consumes $CODER_NO_VERSION_WARNING
-      --token string          Specify an authentication token. For security reasons setting
-                              CODER_SESSION_TOKEN is preferred.
-                              Consumes $CODER_SESSION_TOKEN
-      --url string            URL to a deployment.
-                              Consumes $CODER_URL
-  -v, --verbose               Enable verbose output.
-                              Consumes $CODER_VERBOSE
+  -p, --password string
+          Specifies a password for the new user.
+
+  -u, --username string
+          Specifies a username for the new user.
+
+---
+Run `coder --help` for a list of global options.