Add backend translation support for selector select (#15064)

* Base for selector translations

* Allow translations for ha-selector-select

* Fetch translation for config flow and onboarding

* Get translation_key from step handler

* Add domain property to DataEntry flow

* Revert fetching translation for onboarding flow

* Leave domain for repair flows

* Use localizeValue function

* Change type

* Import selector translations in issue flow

Co-authored-by: Paul Bottein <paul.bottein@gmail.com>

src/dialogs/config-flow/show-dialog-data-entry-flow.ts

@@ -61,6 +61,12 @@ export interface FlowConfig {
     error: string
   ): string;
 
+  renderShowFormStepFieldLocalizeValue(
+    hass: HomeAssistant,
+    step: DataEntryFlowStepForm,
+    key: string
+  ): string;
+
   renderExternalStepHeader(
     hass: HomeAssistant,
     step: DataEntryFlowStepExternal