"My filter" save issue!

### Prerequisites - [x] I verified that this is not a filter list issue. Report any issues with filter lists or broken website functionality in the [uAssets issue tracker](https://github.com/uBlockOrigin/uAssets/issues). - [x] This is **NOT** a [_YouTube_](https://www.github.com/uBlockOrigin/uAssets/issues/30157), [_Facebook_](https://www.github.com/uBlockOrigin/uAssets/issues/3367) or [_Twitch_](https://www.github.com/uBlockOrigin/uAssets/issues/5184) report. _These sites MUST be reported by clicking their **respective links**_. - [x] This is not a support issue or a question. For support, questions, or help, visit [/r/uBlockOrigin](https://www.reddit.com/r/uBlockOrigin/). - [x] I performed a [cursory search of the issue tracker](https://github.com/uBlockOrigin/uBlock-issues/issues?q=is%3Aissue) to avoid opening a duplicate issue. - [x] The issue is not present after disabling uBO in the browser. - [x] I checked the [documentation](https://github.com/gorhill/uBlock/wiki) to understand that the issue I am reporting is not normal behavior. ### I tried to reproduce the issue when... - [x] uBO is the only extension. - [x] uBO uses default lists and settings. - [x] using a new, unmodified browser profile. ### Description i have windows 7 sp1 with firefox 115.35.2esr 32bit and ubo 1.70. the problem is i figured out element picker in any site doesnt add the created filters in my filters in the 1st place i must to do it twice everytime??!! ### A specific URL where the issue occurs. ```yaml anywhere ``` ### Steps to Reproduce i visit any site and try to use element picker then select the element then done but when i visit the "my filters" i see the filter isnt there so when i repeat the steps it gets done and so on!! this is the 1st time i experience this issue ### Expected behavior i see the filter i created by element picker add to "my filters" tab ### Troubleshooting information ```text uBlock Origin: 1.70.0 Firefox: 115 filterset (summary): network: 203430 cosmetic: 207715 scriptlet: 70114 html: 3548 listset (total-discarded, last-updated): added: adguard-generic: 95704-5825, 1h.22m adguard-cookies: 38339-89, 1h.22m ublock-cookies-adguard: 5658-82, 4d.3h.32m fanboy-cookiemonster: 46425-3771, 2d.21h.55m ublock-cookies-easylist: 5658-5658, 4d.3h.32m adguard-popup-overlays: 31019-239, 1h.22m adguard-other-annoyances: 16031-188, 1h.22m easylist-annoyances: 5173-393, 4d.3h.32m ublock-annoyances: 4920-197, 1h.22m Δ default: user-filters: 58-0, never ublock-filters: 52092-70, 1h.22m Δ ublock-badware: 11183-29, 1h.22m Δ ublock-privacy: 4013-2, 1h.22m Δ ublock-unbreak: 2821-1, 1h.22m Δ ublock-quick-fixes: 473-13, 7h.36m easylist: 96594-1222, 1h.22m Δ easyprivacy: 55979-119, 1h.22m Δ urlhaus-1: 28385-6, 7h.36m plowe-0: 3516-1048, 6d.23h.19m filterset (user): [array of 58 redacted] hostRuleset: added: [array of 15 redacted] userSettings: advancedUserEnabled: true hiddenSettings: [none] supportStats: allReadyAfter: 3847 ms maxAssetCacheWait: 2040 ms cacheBackend: indexedDB ```