Issue/hitide UI 44 - fix footprint/preview removed on scroll (#63)

* issue/hitide-ui-44: fixed footprints staying on screen

* issue/hitide-ui-44: fixed footprint/preview staying on map

* issue/hitide-ui-44: cleaned up footprint/preview display code

* /deploy uat

* /deploy sit

* /deploy uat

* /deploy uat

* /deploy uat

* /deploy uat

* /deploy uat

* issue/hitide-ui-44: working on fp & previews staying on map

* /deploy sit

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Co-authored-by: jbyrne <[email protected]>