Camera orbit helper and texture mapping improvements

This update introduces a new camera orbit helper and improves texture layer projection mapping and export quality.

Changes

• New camera orbit helper.
• New camera switcher for Ortho/Perspective.
• Changed: Zoom settings are now accessible from the toolbar.
• Improved texture layer projection mapping.
• Improved texture export when using jpg images.
• Improved deleted material asset UX.
• Enabled PointLight softer shadows with radius parameter.
• Fixed PointLight shadows resolution input.
• Fixed nested object scaling value in sidebar.
• Fixed bug when changing noise layer type.
• Fixed bug with un-selectable modelling object after saving.
• Fixed noise distortion on non cubic objects.
• Fixed multi object material layer creation bugs.
• Fixed transparent background bug on exports with post-processing.
• Fixed multiple issues in modelling tools related to non-uniform scaling.
• Small fixes and improvements.