Bug Report: ChunkLoadError when loading lazy-loaded frontend bundle

### Bug description Superset displays an "Unexpected error" page with the following error: ChunkLoadError: Loading chunk 4169 failed. The application fails while attempting to load a lazily loaded frontend bundle, resulting in a broken UI and preventing access to the affected page. ``` Unexpected error ChunkLoadError: Loading chunk 4169 failed. Lazy l@http://127.0.0.1:8088/static/assets/8115.ef2c25320df8c6b15d8a.entry.js:1116:190 98837/g/<@http://127.0.0.1:8088/static/assets/vendors.6f4ecbc3d2e23e236060.entry.js:58:7054 main 2672/h1<@http://127.0.0.1:8088/static/assets/vendors.6f4ecbc3d2e23e236060.entry.js:340:4725 98837/g/<@http://127.0.0.1:8088/static/assets/vendors.6f4ecbc3d2e23e236060.entry.js:58:7054 div 2672/h2<@http://127.0.0.1:8088/static/assets/vendors.6f4ecbc3d2e23e236060.entry.js:340:4989 Suspense t@http://127.0.0.1:8088/static/assets/8706.6dfab372988d20453152.entry.js:6:20127 t@http://127.0.0.1:8088/static/assets/8706.6dfab372988d20453152.entry.js:6:20770 tD@http://127.0.0.1:8088/static/assets/spa.72ab05fb3acc832bdf24.entry.js:301:8750 R@http://127.0.0.1:8088/static/assets/8706.6dfab372988d20453152.entry.js:7:873 n@http://127.0.0.1:8088/static/assets/8706.6dfab372988d20453152.entry.js:6:93148 x@http://127.0.0.1:8088/static/assets/8706.6dfab372988d20453152.entry.js:7:1072 e3@http://127.0.0.1:8088/static/assets/8115.ef2c25320df8c6b15d8a.entry.js:1501:3086 c@http://127.0.0.1:8088/static/assets/8115.ef2c25320df8c6b15d8a.entry.js:1412:2136 79551/s<@http://127.0.0.1:8088/static/assets/2290.4aef28ca85361c2fdbd3.entry.js:273:13694 C@http://127.0.0.1:8088/static/assets/vendors.6f4ecbc3d2e23e236060.entry.js:554:29987 rd@http://127.0.0.1:8088/static/assets/vendors.6f4ecbc3d2e23e236060.entry.js:103:8092 rv@http://127.0.0.1:8088/static/assets/vendors.6f4ecbc3d2e23e236060.entry.js:103:9872 rb@http://127.0.0.1:8088/static/assets/vendors.6f4ecbc3d2e23e236060.entry.js:103:13885 y@http://127.0.0.1:8088/static/assets/vendors.6f4ecbc3d2e23e236060.entry.js:58:7234 SupersetThemeProvider@http://127.0.0.1:8088/static/assets/8115.ef2c25320df8c6b15d8a.entry.js:1:3726 i@http://127.0.0.1:8088/static/assets/8115.ef2c25320df8c6b15d8a.entry.js:1541:18426 tH@http://127.0.0.1:8088/static/assets/spa.72ab05fb3acc832bdf24.entry.js:301:9615 t@http://127.0.0.1:8088/static/assets/8706.6dfab372988d20453152.entry.js:6:17228 t@http://127.0.0.1:8088/static/assets/8706.6dfab372988d20453152.entry.js:6:8222 tW See less ``` I verified that Superset is serving static assets correctly. For example, opening the following asset directly in the browser returns the JavaScript file successfully: http://127.0.0.1:8088/static/assets/8115.ef2c25320df8c6b15d8a.entry.js The file is accessible and downloads/loads without error. Despite this, the application still throws: ChunkLoadError: Loading chunk 4169 failed. <img width="951" height="797" alt="Image" src="https://github.com/user-attachments/assets/78a2e29c-75b9-41f0-85d9-e3834e77d117" /> ### Screenshots/recordings _No response_ ### Superset version master / 6.1 ### Python version 3.11 ### Node version 20 ### Browser Chrome ### Additional context _No response_ ### Checklist - [x] I have searched Superset docs and Slack and didn't find a solution to my problem. - [x] I have searched the GitHub issue tracker and didn't find a similar bug report. - [x] I have checked Superset's logs for errors and if I found a relevant Python stacktrace, I included it here as text in the "additional context" section.