fix #2816 Application window bigger after every restart

[MiloTodt]

Removed option in new BrowserWindow:

useContentSize Boolean (optional) - The width and height would be used as web page's size, which means the actual window's size will include window frame's size and be slightly larger. Default is false.

Which was set to true.

Boostnote now opens to the same size as previous instead of slightly larger each time.

Issue fixed

fix #2816

Type of changes

• ✔️ Bug fix (Change that fixed an issue)
• ⚪ Breaking change (Change that can cause existing functionality to change)
• ⚪ Improvement (Change that improves the code. Maybe performance or development improvement)
• ⚪ Feature (Change that adds new functionality)
• ⚪ Documentation change (Change that modifies documentation. Maybe typo fixes)

Checklist:

• ✔️ My code follows the project code style
• ⚪ I have written test for my code and it has been tested
• ✔️ All existing tests have been passed
• ⚪ I have attached a screenshot/video to visualize my change if possible

[Rokt33r]

I've tried this on Windows 10 but the window size is still different after I reopen the app again. @MiloTodt Did it work on your pc?

[alehmann76]

I tried it on a Windows 7 machine and it runs like expected with the bug fix.

[ZeroX-DG]

@Flexo013 can you test this on window see if the bug is still there? if not then we can close this PR.