ab-download-manager: signal abort on startup

### Bug description The ABDownloadManager application crashes immediately upon termination (exit) with a SIGABRT signal. However, it runs well and isn't affected by the crash at first glance. Below is the stack trace for the crash. ``` PID: 7078 (ABDownloadManag) UID: 1000 (elysia) GID: 1001 (elysia) Signal: 6 (ABRT) Timestamp: Sun 2026-03-22 09:02:14 CST (5s ago) Command Line: /usr/bin/ABDownloadManager Executable: /usr/lib/ab-download-manager/bin/ABDownloadManager Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-abdownloadmanager@c0f85005d6634eb6a59f1ee62bb4fe04.service Unit: user@1000.service User Unit: app-abdownloadmanager@c0f85005d6634eb6a59f1ee62bb4fe04.service Slice: user-1000.slice Owner UID: 1000 (elysia) Boot ID: 138408da66f04d6e821f7ee72f90d37b Machine ID: 5374f870af0046cfa563d3299b1f0d42 Hostname: elysia-aosc-pc Storage: /var/lib/systemd/coredump/core.ABDownloadManag.1000.138408da66f04d6e821f7ee72f90d37b.7078.1774141334000000.zst (present) Size on Disk: 64.2K Message: Process 7078 (ABDownloadManag) of user 1000 dumped core. Stack trace of thread 7078: #0 0x00007f572061bf4c __pthread_kill_implementation (libc.so.6 + 0x96f4c) #1 0x00007f57205c220e __GI_raise (libc.so.6 + 0x3d20e) #2 0x00007f57205a9e50 __GI_abort (libc.so.6 + 0x24e50) #3 0x00007f57202aab9c n/a (libstdc++.so.6 + 0xaab9c) #4 0x00007f57202c1eaa n/a (libstdc++.so.6 + 0xc1eaa) #5 0x00007f57202aa5e0 _ZSt9terminatev (libstdc++.so.6 + 0xaa5e0) #6 0x00007f57202c2e23 __cxa_pure_virtual (libstdc++.so.6 + 0xc2e23) #7 0x00007f572077e7dc n/a (libapplauncher.so + 0x207dc) #8 0x00007f57207679e3 n/a (libapplauncher.so + 0x99e3) #9 0x00007f5720796022 _dl_call_fini (ld-linux-x86-64.so.2 + 0x2022) #10 0x00007f572079a0aa _dl_fini (ld-linux-x86-64.so.2 + 0x60aa) #11 0x00007f57205c4a90 __run_exit_handlers (libc.so.6 + 0x3fa90) #12 0x00007f57205c4b6e __GI_exit (libc.so.6 + 0x3fb6e) #13 0x00007f57205abffc __libc_start_call_main (libc.so.6 + 0x26ffc) #14 0x00007f57205ac0a8 __libc_start_main_impl (libc.so.6 + 0x270a8) #15 0x000055b2f6bd5885 n/a (/usr/lib/ab-download-manager/bin/ABDownloadManager + 0x1885) ELF object binary architecture: AMD x86-64 ``` ### Steps to reproduce 1. Install ab-download-manager 2. Start the application, and it will crash. ### Update channel(s) stable ### Package and version ```bash elysia@elysia-aosc-pc [ ~ ] $ dpkg -s ab-download-manager Package: ab-download-manager Status: install ok installed Section: web Installed-Size: 74188 Maintainer: AOSC OS Maintainers <maintainers@aosc.io> Architecture: amd64 Version: 1.8.6 Provides: abdownloadmanager Depends: gcc-runtime (>= 1:15.2.0-2), glibc (>= 1:2.42-2), libappindicator (>= 1:12.10.0-7), openjdk (>= 4:21-1) Description: A multifunctional file downloader Description-md5: 1156dc8e096502636e5d31ee70ce0cf7 X-AOSC-ACBS-Version: 20251231 X-AOSC-Commit: bec36f3422 X-AOSC-Packager: AOSC OS Maintainers <maintainers@aosc.io> X-AOSC-Autobuild4-Version: 4.15.1 ```