blob/fileblob: no_temp_dir URL option defined inconsistently in #3296

[maxfisher-g]

Describe the bug

The URLOpener options for fileblob define the URL option string for the new NoTempDir option inconsistently, meaning it is impossible to actually set this option using the URL method.

In UrlOpener.forParams() the string is defined as no_temp_dir but the recognizedParams list (and the documentation) defines it as no_tmp_dir.

To Reproduce

Add ?no_temp_dir=true to the bucket URL string passed to blob.OpenBucket. Opening the bucket returns an error message invalid query parameter "no_temp_dir"

Add ?no_tmp_dir=true to the bucket URL string passed to blob.OpenBucket. The option has no effect.

Expected behavior

The NoTempDir option is set for the bucket with no error message.

Version

master

Additional context

Introduced in #3296 / a048d52, relevant to #3294

[vangent]

Oops! Thanks for the report, PR on the way.