Build button does not work when editing template (if tempalte is invalid)

[Cjkjvfnby]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

Nothing happens in UI when button is pressed (if template is invalid).

Relevant Log Output

POST https://****/api/v2/organizations/coder/templateversions

STATUS: 500

message	"Internal error checking workspace tags"
detail	'parse module: Argument or block definition required: An argument or block definition is required here. To set an argument, use the equals sign "=" to introduce the argument value.'

Expected Behavior

Error message is shown to user.

Message explains what happen and provide recommendation for the next steps.

Something like:
"Template is not valid, please fix it and build again: {message}"

Steps to Reproduce

1. Open Template Edit window
2. Type. "HELLO" at the first string
3. Open browser development console
4. Click build
5. Check for response 500 in the browser development console

Environment

• Coder version: v2.18.5+41bfccc

Additional Context

The issue occurs consistently

[matifali]

cc: @BrunoQuaresma

[matifali]

Related to #16022

[BrunoQuaresma]

I tried to reproduce that, but I'm getting the proper error.