fieldOfView 04bfd6b820 Use UM.Theme instead of Theme ...

This prevents hundreds of QML warning messages logged in some user reports of Cura being slow.

```
2021-04-30 11:42:01,492 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [411]: file:///.../cura/../resources/themes/cura-light/styles.qml:335: TypeError: Cannot read property 'getSize' of null
2021-04-30 11:42:01,492 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [411]: file:///.../cura/../resources/themes/cura-light/styles.qml:338: TypeError: Cannot read property 'getColor' of null
2021-04-30 11:42:01,500 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [411]: file:///.../cura/../resources/themes/cura-light/styles.qml:327: TypeError: Cannot read property 'getSize' of null
2021-04-30 11:42:01,500 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [411]: file:///.../cura/../resources/themes/cura-light/styles.qml:329: TypeError: Cannot read property 'getColor' of null
2021-04-30 11:42:01,500 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [411]: file:///.../cura/../resources/themes/cura-light/styles.qml:335: TypeError: Cannot read property 'getSize' of null
2021-04-30 11:42:01,500 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [411]: file:///.../cura/../resources/themes/cura-light/styles.qml:338: TypeError: Cannot read property 'getColor' of null
2021-04-30 11:42:01,500 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [411]: file:///.../cura/../resources/themes/cura-light/styles.qml:327: TypeError: Cannot read property 'getSize' of null
2021-04-30 11:42:01,500 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [411]: file:///.../cura/../resources/themes/cura-light/styles.qml:329: TypeError: Cannot read property 'getColor' of null
```

2021-04-30 12:22:40 +02:00

..

fonts

Update fonts using Google Noto Sans Fonts

2020-02-05 11:25:27 +01:00

icons

Remove now unused image of printers

2021-04-01 19:36:00 +02:00

images

Clean up unreadable mess of SVG code

2021-04-01 19:09:55 +02:00

styles.qml

Use UM.Theme instead of Theme

2021-04-30 12:22:40 +02:00

theme.json

Add image sizes for welcome dialog

2021-03-25 08:57:15 +01:00