Dev tools batch of fixes

[cryptalith]

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[cryptalith]

[QA] Button to save application details in new developer tools page not working

[cryptalith]

[QA] Deleting a redirect URI in developer tools doesn't enable the save button

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[QA] Small fixes required on the new developer tools landing page

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[QA] New developer tools page title

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[QA] Allow more space between paragraphs in developer tools notice panel

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[QA] Various fixes for new developer tools page, application details stage

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[QA] Headings in new developer tools are not same size

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[QA] Max limit error on application name missing from new developer tools

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[QA] No error message when application description field input exceeds max limit

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[QA] Hardcoded string in developer tools page

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[QA] Cancel button inside Generate new client secret modal doesn't work