- adds examples of the new way to achieve this in the e2e tests
- updates breaking change to document the new slots properly and with
examples
- removes the first-child margin on buttons in toolbar
- removes the margin on ion-buttons
closes#14172
* Cleanup for iOS mode used in material variables
Refactor to alpha variables for colors in the color map
updated theme builder with new alpha variables
updated theme builder with duplicate default CSS modes
* moved alpha transform into css-var
removed ion-color-alpha
fixes for disabled css-variable mode
added defaults for user configurable variables
* revert to spinner related code
