update fallback colorizer

[jdroenner]

• [ ] I added an entry to CHANGELOG.md if knowledge of this change could be valuable to users.

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Here is a brief summary of what I did:

i changed the ticks of the default fallback colorizer

[jdroenner]

Unschöne Legende

[coveralls]

Pull Request Test Coverage Report for Build 9355544822

Details

• 27 of 27 (100.0%) changed or added relevant lines in 1 file are covered.
• 26 unchanged lines in 11 files lost coverage.
• Overall coverage decreased (-0.009%) to 90.562%

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Files with Coverage Reduction	New Missed Lines	%
services/src/api/handlers/layers.rs	1	88.87%
services/src/datasets/external/netcdfcf/mod.rs	1	94.56%
services/src/pro/contexts/postgres.rs	1	96.98%
services/src/api/handlers/datasets.rs	1	95.52%
services/src/pro/layers/postgres_layer_db.rs	1	96.09%
services/src/api/handlers/wfs.rs	1	96.29%
services/src/api/handlers/wms.rs	1	95.3%
services/src/datasets/external/edr.rs	2	85.65%
operators/src/processing/raster_vector_join/mod.rs	2	91.63%
services/src/datasets/external/netcdfcf/ebvportal_api.rs	4	86.41%
<!--	Total:	26		-->

Totals
Change from base Build 9209766736:	-0.009%
Covered Lines:	131052
Relevant Lines:	144709

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💛 - Coveralls