feat(ivy): select instruction now generated in front of all relevant instructions (#29546)

PR Close #29546

packages/compiler/src/render3/view/template.ts

@@ -122,9 +122,10 @@ export class TemplateDefinitionBuilder implements t.Visitor<void>, LocalResolver
   private _updateCodeFns: (() => o.Statement)[] = [];
   /**
    * Memorizes the last node index for which a select instruction has been generated.
-   * Initialized to 0 to avoid generating a useless select(0).
+   * We're initializing this to -1 to ensure the `select(0)` instruction is generated before any
+   * relevant update instructions.
    */
-  private _lastNodeIndexWithFlush: number = 0;
+  private _lastNodeIndexWithFlush: number = -1;
   /** Temporary variable declarations generated from visiting pipes, literals, etc. */
   private _tempVariables: o.Statement[] = [];
   /**