feat: convert entire CLI to clibase (#6491)

I'm sorry.

cli/testdata/coder_schedule_show_--help.golden

@@ -1,28 +1,12 @@
+Usage: coder schedule show <workspace-name>
+
+Show workspace schedule
+
 Shows the following information for the given workspace:
   * The automatic start schedule
   * The next scheduled start time
   * The duration after which it will stop
   * The next scheduled stop time
 
-Usage:
-  coder schedule show <workspace-name> [flags]
-
-Flags:
-  -h, --help   help for show
-
-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
+---
+Run `coder --help` for a list of global options.