Implement workaround for Japanese transcript normalization

[subhankar-ghosh]

Add workaround for Japanese normalizer bug regarding spaces.

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[github-actions]

[🤖]: Hi @subhankar-ghosh 👋,

We wanted to let you know that a CICD pipeline for this PR just finished successfully.

So it might be time to merge this PR or get some approvals.

[blisc]

Can you regex all whitespace? Should there be whitespace in Japanese text?

[subhankar-ghosh]

が新しい日本語対応のを公開し ました。-> This has a single space, no English characters and it breaks.
が新しい日本語対応のモデル  が公開されました。-> This has a tab and it breaks.

This change will remove all spaces, even continuous spaces or tabs.

Google says "Generally, there are no spaces in standard written Japanese; sentences are written as continuous strings of characters. Word boundaries are distinguished by the mix of Kanji (logograms), Hiragana (phonetic), and Katakana, along with grammatical particles."