Images: Updated image timestamp upon file change

For #4354

Author: ssddanbrown

app/Uploads/ImageRepo.php

@@ -177,6 +177,7 @@ public function updateImageFile(Image $image, UploadedFile $file): void
 
         $image->refresh();
         $image->updated_by = user()->id;
+        $image->touch();
         $image->save();
         $this->imageService->replaceExistingFromUpload($image->path, $image->type, $file);
         $this->loadThumbs($image, true);

tests/Uploads/ImageTest.php

@@ -104,11 +104,18 @@ public function test_image_file_update()
         $this->assertFileEquals($this->files->testFilePath('test-image.png'), public_path($relPath));
 
         $imageId = $imgDetails['response']->id;
+        $image = Image::findOrFail($imageId);
+        $image->updated_at = now()->subMonth();
+        $image->save();
+
         $this->call('PUT', "/images/{$imageId}/file", [], [], ['file' => $newUpload])
             ->assertOk();
 
         $this->assertFileEquals($this->files->testFilePath('compressed.png'), public_path($relPath));
 
+        $image->refresh();
+        $this->assertTrue($image->updated_at->gt(now()->subMinute()));
+
         $this->files->deleteAtRelativePath($relPath);
     }