Adds a "Filter All" button to the left of the received time on gmail emails. Clicking it does the same thing as the "filter messages like this" menu button.
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Adds a "Filter All" button to the left of the received time on gmail emails. Clicking it does the same thing as the "filter messages like this" menu button. Tested using Tampermonkey, which is available for all browsers and can be installed here (for Chrome): https://chromewebstore.google.com/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo
