Minor UI bugs

Hello, i found few other minor UI bugs 🤔

1) incorrect padding in IP Address Tools and Member Management

2) moderator actions modal goes beyond viewport on smaller screens (actions button in each forum topic - Moderation History, Feature and some others)

3) poll doesnt show properly on smaller screens - the progress bars disappear (in v4 they went below the choice text)

4) the profile cover image doesnt expand after click in All activity view (instead it only changes avatar size and the cover area by few pixels only)

5) some pages with submenu in aside acts weird - they change layout a lot on smaller screens, more than needed 🤔 i think there should be expandable mobile menu immediately with 100% width - same as in user settings

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6) incorrect border-radius in headers and footers (the inner area with darker background)