port 040 config (#2657)

* port 040 config, WIP

* update fixtures

* use taiga modal for backups too

* fix: update Taiga UI and refactor everything to work

* chore: package-lock

* fix interfaces and mocks for interfaces

* better mocks

* function to transform old spec to new

* delete unused fns

* delete unused FE config utils

* fix exports from sdk

* reorganize exports

* functions to translate config

* rename unionSelectKey and unionValueKey

* Adding in the transformation of the getConfig to the new types.

* chore: add Taiga UI to preloader

---------

Co-authored-by: waterplea <alexander@inkin.ru>
Co-authored-by: Aiden McClelland <me@drbonez.dev>
Co-authored-by: J H <dragondef@gmail.com>

sdk/lib/config/builder/variants.ts

@@ -69,8 +69,8 @@ export class Variants<Type, Store> {
     const validator = anyOf(
       ...Object.entries(a).map(([name, { spec }]) =>
         object({
-          unionSelectKey: literals(name),
-          unionValueKey: spec.validator,
+          selection: literals(name),
+          value: spec.validator,
         }),
       ),
     ) as Parser<unknown, any>
@@ -78,9 +78,9 @@ export class Variants<Type, Store> {
     return new Variants<
       {
         [K in keyof VariantValues]: {
-          unionSelectKey: K
+          selection: K
           // prettier-ignore
-          unionValueKey: 
+          value: 
             VariantValues[K]["spec"] extends (Config<infer B, Store> | Config<infer B, never>) ? B :
             never
         }