refactor(core): add human readable debug for i18n (#38154)

I18n code breaks up internationalization into opCodes which are then stored
in arrays. To make it easier to debug the codebase this PR adds `debug`
property to the arrays which presents the data in human readable format.

PR Close #38154

packages/core/src/render3/interfaces/node.ts

@@ -701,7 +701,9 @@ export interface TIcuContainerNode extends TNode {
   /**
    * Indicates the current active case for an ICU expression.
    * It is null when there is no active case.
+   *
    */
+  // FIXME(misko): This is at a wrong location as activeCase is `LView` (not `TView`) concern
   activeCaseIndex: number|null;
 }