raphaelquast/EOmaps: EOmaps v6.0.3

A third series of minor bug fixes for EOmaps v6.0

❗ Make sure to check the release-notes for EOmaps v6.0 (There are possibly breaking changes with respect to EOmaps v5.x)

• fix shape "n" should not use auto-value if it has been explicitly set
• implement temporary fix for srs identification of wms that require reprojection
• fix issues with the clip-shape for WebMap layers on fast pan/zoom-events
• fix layer assignment for temporary artists
• allow overriding layer assignment for temporary artists
• fix keypress modifiers for peek-layer callbacks cause glitches
• fix updating layer editor tabs in companion widget when adding features and webmaps
• make sure a proper layer is activated on layer-deletion in the widget
• clear new-layer input after layer creation
• port WebMap patches to cartopy and drop them for cartopy>=0.21.2
• fix warn-message when using the default shape with large datasets