Some dialog fixes

[arielj]

This PR fixes 3 issues with dialogs:

• Uninstall dialog was adding an empty space in grid view in library Fixes Uninstall dialog adds an empty space in grid #1930
• Clicking at the left empty are of the buttons was closing the dialog Dialogs are closed when clicking the buttons area #1931
• Selecting text in some cases was closing the dialog (no issue for this I just noticed it while testing the other fixes)

A comment on the last fix, the bug is present only when selecting text from different HTML elements, for example selecting text from the title and the content. That triggered a click event with the parent dialog as the target (since it can trigger an event with the 2 targets). To reproduce this issue before this fix, select text like this for example:

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Use the following Checklist if you have changed something on the Backend or Frontend:

• Tested the feature and it's working on a current and clean install.
• Tested the main App features and they are still working on a current and clean install. (Login, Install, Play, Uninstall, Move games, etc.)
• Created / Updated Tests (If necessary)
• Created / Updated documentation (If necessary)

[flavioislima]

LGTM 👍🏽
that is for sure a pretty annoying thing.