fix(web): forms open as new, not touched from the last time

Opening a drawer form refilled its model only, so a field touched the
time before came back showing its errors. They reset the form state
now (touched and dirty) along with the values.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

libs/web/tracker/presenters/src/lib/pages/board.page.ts

@@ -792,7 +792,7 @@ export class BoardPage {
       );
     if (this.project.workflow().requiresReason(to)) {
       this.pendingMove = { issueId, to };
-      this.reasonModel.set({ text: '' });
+      this.reason().reset({ text: '' });
       this.drawer.open(`Mover a «${this.statusLabel(to)}»`, this.reasonForm());
       return;
     }
@@ -886,7 +886,7 @@ export class BoardPage {
     const types = this.typeOptions();
     if (!types.some((t) => t.value === this.newType()))
       this.newType.set(types[0]?.value ?? '');
-    this.model.set({
+    this.f().reset({
       title: '',
       description: '',
       figmaUrl: '',

libs/web/tracker/presenters/src/lib/pages/issue.page.ts

@@ -1369,7 +1369,7 @@ export class IssuePage {
   protected move(to: string): void {
     if (this.project.workflow().requiresReason(to)) {
       this.pendingStatus = to;
-      this.reasonModel.set({ text: '' });
+      this.reason().reset({ text: '' });
       this.drawer.open(`Mover a «${this.statusLabel(to)}»`, this.reasonForm());
       return;
     }
@@ -1547,7 +1547,7 @@ export class IssuePage {
 
   protected openEditComment(comment: Comment): void {
     this.editingComment = comment.id;
-    this.commentEditModel.set({ body: comment.body });
+    this.commentEdit().reset({ body: comment.body });
     this.trackEditing(
       this.drawer.open('Editar comentario', this.commentEditForm()),
     );
@@ -1567,7 +1567,7 @@ export class IssuePage {
   protected openEdit(): void {
     const issue = this.facade.issue();
     if (!issue) return;
-    this.editModel.set({
+    this.edit().reset({
       title: issue.title,
       description: issue.description ?? '',
       labels: issue.labels.join(', '),

libs/web/tracker/presenters/src/lib/pages/projects.page.ts

@@ -385,7 +385,7 @@ export class ProjectsPage implements OnInit {
   }
 
   protected openCreate(): void {
-    this.model.set({
+    this.f().reset({
       key: '',
       name: '',
       description: '',

libs/web/tracker/presenters/src/lib/pages/releases.page.ts

@@ -422,7 +422,7 @@ export class ReleasesPage {
   protected readonly when = releaseWhen;
 
   protected openCreate(): void {
-    this.model.set({ name: '', description: '', targetDate: '' });
+    this.f().reset({ name: '', description: '', targetDate: '' });
     this.drawer.open('Nueva release', this.createForm());
   }