fix maps examples #85

Job	Run time
semver	46s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	6m 41s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 4s
Build Wasm Examples (callback-example)	53s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 13s
Build Wasm Examples (basic)	49s
Code Coverage	9s
Clippy	4m 8s
Build Book	3m 31s
Rustfmt	14s
Build Examples (3d_charts)	28s
Build Examples (customization/multiple_plots_example)	29s
Build Examples (shapes)	29s
Build Examples (ndarray)	48s
Build Examples (custom_controls)	26s
Build Examples (scientific_charts)	35s
Build Examples (customization/consistent_static_format_export)	1m 22s
Build Examples (subplots)	27s
Build Examples (financial_charts)	29s
Build Examples (maps)	38s
Build Examples (customization/density_mapbox_example)	26s
Build Examples (themes)	26s
Build Examples (images)	41s
Build Examples (basic_charts)	36s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 49s
Build Examples (kaleido)	1m 19s
Build Examples (statistical_charts)	30s
	37m 26s

Provide feedback