fix(measurement-tracking): restore tracked state on undo after Delete all (#5994)

* fix: always show delete confirmation when measurements exist

tests/pages/MainToolbarPageObject.ts

@@ -338,4 +338,22 @@ export class MainToolbarPageObject {
       },
     };
   }
+  get undo() {
+    const button = this.page.getByTestId('undo-btn');
+    return {
+      button,
+      async click() {
+        await button.click();
+      },
+    };
+  }
+  get redo() {
+    const button = this.page.getByTestId('redo-btn');
+    return {
+      button,
+      async click() {
+        await button.click();
+      },
+    };
+  }
 }

tests/pages/RightPanelPageObject.ts

@@ -125,6 +125,7 @@ export class RightPanelPageObject {
         getMeasurementCount: async () => {
           return await page.getByTestId('data-row').count();
         },
+        rows: page.getByTestId('data-row'),
         locator: page.getByTestId('trackedMeasurements-panel').last(),
         nthMeasurement(index: number) {
           return getMeasurementByIdx(index);

tests/pages/ViewportPageObject.ts

@@ -10,7 +10,7 @@ import { DataOverlayPageObject } from './DataOverlayPageObject';
 import { DOMOverlayPageObject } from './DOMOverlayPageObject';
 import { MagnifyGlassPageObject } from './MagnifyGlassPageObject';
 
-type SvgInnerElement = 'circle' | 'path' | 'd';
+type SvgInnerElement = 'circle' | 'path' | 'd' | 'line';
 
 type NormalizedDragParams = {
   start: { x: number; y: number };