[6.0] Field simple color as web component (#45004)

* Redo

* Update layouts/joomla/form/field/color/simple.php

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

* Update layouts/joomla/form/field/color/simple.php

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

* Fix layout shift

* deprecate lang strings

* Update simple.php

* use scss

* Add a color validation

* Remove the named colors

* fix a11y, use Object.assign for the template

* (partly) decouple the i18n

* Update build/.eslintrc

Co-authored-by: Richard Fath <[email protected]>

* Update joomla-field-simple-color.w-c.es6.js

* add shadow dom css in a CSP strict way

Author: dgrammatiko

administrator/language/en-GB/joomla.ini

@@ -220,8 +220,11 @@ JFIELD_COLOR_LABEL_SLIDER_HUE="Hue Slider"
 JFIELD_COLOR_LABEL_SLIDER_INPUT="Selected Colour Value"
 JFIELD_COLOR_LABEL_SLIDER_LIGHT="Light Slider"
 JFIELD_COLOR_LABEL_SLIDER_SATURATION="Saturation Slider"
+; The following string is deprecated and will be removed with 7.0
 JFIELD_COLOR_SELECT="Select a colour"
+; The following string is deprecated and will be removed with 7.0
 JFIELD_COLOR_TRANSPARENT="No colour, transparent"
+; The following string is deprecated and will be removed with 7.0
 JFIELD_COLOR_VALUE="Colour with hexadecimal value of"
 JFIELD_DISPLAY_READONLY_LABEL="Display When Read-Only"
 JFIELD_ENABLED_DESC="The enabled status of this item."

api/language/en-GB/joomla.ini

@@ -218,8 +218,11 @@ JFIELD_COLOR_LABEL_SLIDER_HUE="Hue Slider"
 JFIELD_COLOR_LABEL_SLIDER_INPUT="Selected Colour Value"
 JFIELD_COLOR_LABEL_SLIDER_LIGHT="Light Slider"
 JFIELD_COLOR_LABEL_SLIDER_SATURATION="Saturation Slider"
+; The following string is deprecated and will be removed with 7.0
 JFIELD_COLOR_SELECT="Select a colour"
+; The following string is deprecated and will be removed with 7.0
 JFIELD_COLOR_TRANSPARENT="No colour, transparent"
+; The following string is deprecated and will be removed with 7.0
 JFIELD_COLOR_VALUE="Colour with hexadecimal value of"
 JFIELD_DISPLAY_READONLY_LABEL="Display When Read-Only"
 JFIELD_ENABLED_DESC="The enabled status of this item."