perf(cli): optimize CPU consumption of help pages (#9607)

This change reduces the CPU consumption of --help by ~50%.

Also, this change removes ANSI escape codes from our golden files. I
don't think those were worth the inability to parallelize golden file tests and
global state fragility.

cli/testdata/coder_templates_create_--help.golden

@@ -1,64 +1,64 @@
 coder v0.0.0-devel
 
-USAGE:
+USAGE:
   coder templates create [flags] [name]
 
   Create a template from the current directory or as specified by flag
 
-OPTIONS:
-      --default-ttl duration (default: 24h)
+OPTIONS:
+      --default-ttl duration (default: 24h)
           Specify a default TTL for workspaces created from this template. It is
           the default time before shutdown - workspaces created from this
           template default to this value. Maps to "Default autostop" in the UI.
 
-  -d, --directory string (default: .)
+  -d, --directory string (default: .)
           Specify the directory to create from, use '-' to read tar from stdin.
 
-      --failure-ttl duration (default: 0h)
+      --failure-ttl duration (default: 0h)
           Specify a failure TTL for workspaces created from this template. It is
           the amount of time after a failed "start" build before coder
           automatically schedules a "stop" build to cleanup.This licensed
           feature's default is 0h (off). Maps to "Failure cleanup"in the UI.
 
-      --ignore-lockfile bool (default: false)
+      --ignore-lockfile bool (default: false)
           Ignore warnings about not having a .terraform.lock.hcl file present in
           the template.
 
-      --inactivity-ttl duration (default: 0h)
+      --inactivity-ttl duration (default: 0h)
           Specify an inactivity TTL for workspaces created from this template.
           It is the amount of time the workspace is not used before it is be
           stopped and auto-locked. This includes across multiple builds (e.g.
           auto-starts and stops). This licensed feature's default is 0h (off).
           Maps to "Dormancy threshold" in the UI.
 
-      --max-ttl duration
+      --max-ttl duration
           Edit the template maximum time before shutdown - workspaces created
           from this template must shutdown within the given duration after
           starting. This is an enterprise-only feature.
 
-  -m, --message string
+  -m, --message string
           Specify a message describing the changes in this version of the
           template. Messages longer than 72 characters will be displayed as
           truncated.
 
-      --private bool
+      --private bool
           Disable the default behavior of granting template access to the
           'everyone' group. The template permissions must be updated to allow
           non-admin users to use this template.
 
-      --provisioner-tag string-array
+      --provisioner-tag string-array
           Specify a set of tags to target provisioner daemons.
 
-      --var string-array
+      --var string-array
           Alias of --variable.
 
-      --variable string-array
+      --variable string-array
           Specify a set of values for Terraform-managed variables.
 
-      --variables-file string
+      --variables-file string
           Specify a file path with values for Terraform-managed variables.
 
-  -y, --yes bool
+  -y, --yes bool
           Bypass prompts.
 
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