fix: triggering flyout show from field render causing infinite loop (#7784)

* fix: triggering flyout show from field render causing infinite loop

* chore: add tests for triggering queued renders

tests/mocha/render_management_test.js

@@ -57,4 +57,69 @@ suite('Render Management', function () {
       return promise;
     });
   });
+
+  suite('triggering queued renders', function () {
+    function createMockBlock(ws) {
+      return {
+        hasRendered: false,
+        renderEfficiently: function () {
+          this.hasRendered = true;
+        },
+
+        // All of the APIs the render management system needs.
+        getParent: () => null,
+        getChildren: () => [],
+        isDisposed: () => false,
+        getRelativeToSurfaceXY: () => ({x: 0, y: 0}),
+        updateComponentLocations: () => {},
+        workspace: ws || createMockWorkspace(),
+      };
+    }
+
+    function createMockWorkspace() {
+      return {
+        resizeContents: () => {},
+      };
+    }
+
+    test('triggering queued renders rerenders blocks', function () {
+      const block = createMockBlock();
+      Blockly.renderManagement.queueRender(block);
+
+      Blockly.renderManagement.triggerQueuedRenders();
+
+      chai.assert.isTrue(block.hasRendered, 'Expected block to be rendered');
+    });
+
+    test('triggering queued renders rerenders blocks in all workspaces', function () {
+      const workspace1 = createMockWorkspace();
+      const workspace2 = createMockWorkspace();
+      const block1 = createMockBlock(workspace1);
+      const block2 = createMockBlock(workspace2);
+      Blockly.renderManagement.queueRender(block1);
+      Blockly.renderManagement.queueRender(block2);
+
+      Blockly.renderManagement.triggerQueuedRenders();
+
+      chai.assert.isTrue(block1.hasRendered, 'Expected block1 to be rendered');
+      chai.assert.isTrue(block2.hasRendered, 'Expected block2 to be rendered');
+    });
+
+    test('triggering queued renders in one workspace does not rerender blocks in another workspace', function () {
+      const workspace1 = createMockWorkspace();
+      const workspace2 = createMockWorkspace();
+      const block1 = createMockBlock(workspace1);
+      const block2 = createMockBlock(workspace2);
+      Blockly.renderManagement.queueRender(block1);
+      Blockly.renderManagement.queueRender(block2);
+
+      Blockly.renderManagement.triggerQueuedRenders(workspace1);
+
+      chai.assert.isTrue(block1.hasRendered, 'Expected block1 to be rendered');
+      chai.assert.isFalse(
+        block2.hasRendered,
+        'Expected block2 to not be rendered',
+      );
+    });
+  });
 });