settings not setting

[Sleuth56]

In the settings menu if I click the Save login information button and save the web app everything looks fine. Then I close the webpin settings menu and reopen it reverts back to unchecked and the same thing happens for the save cookies button.

[NathanBnm]

Yes, and when you want to make some change on an app, the "Save" button can't be pressed, so you can't modify any app, you're forced to delete and recreate it.

[Sleuth56]

Yes

[tennox]

When I click 'Edit' on an existing app - I see this screen:

Note that it says "Create new web app", and the Save button is greyed out. No ability to save changes

[tennox]

I figured out that this is caused by the icon being invalid (which is visually indicated but not obvious why this would cause the Save to be disabled).

I tackled this bug which causes the invalid icon and also improved the UX of invalid fields in this PR:
#121