State-map 'display' property allowing to override displayed state

[maxwroc]

#527

[github-actions]

Coverage after merging StateMapDisplay into master will be

84.51%

Coverage Report for Changed Files

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
src
colors.ts	83.09%	77.59%	100%	84.85%	12, 12, 12, 12, 12, 12–13, 154–156, 16, 160–162, 17, 30, 47–49, 52–54, 71
utils.ts	92.19%	95.24%	90.91%	90.63%	84, 95, 97–98
src/entity-fields
battery-level.ts	92.86%	89.09%	100%	97.44%	17, 26, 30, 52–53, 63–64
get-icon.ts	83.64%	90.32%	100%	73.91%	21–24, 24, 24–26, 29

[github-actions]

Coverage after merging StateMapDisplay into master will be

84.51%

Coverage Report for Changed Files

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
src
colors.ts	83.09%	77.59%	100%	84.85%	12, 12, 12, 12, 12, 12–13, 154–156, 16, 160–162, 17, 30, 47–49, 52–54, 71
utils.ts	92.19%	95.24%	90.91%	90.63%	84, 95, 97–98
src/entity-fields
battery-level.ts	92.86%	89.09%	100%	97.44%	17, 26, 30, 52–53, 63–64
get-icon.ts	83.64%	90.32%	100%	73.91%	21–24, 24, 24–26, 29