DragonX compatibility: crash fixes, reorg detection, server failover, sync perf

- Fix Rust FFI panics with catch_unwind wrappers and safe CString handling
- Handle poisoned mutex/RwLock from prior panics instead of crashing
- Add stuck sync detection (10s stall threshold) and chain reorg user prompt
- Add "Skip Verification" button to seed phrase wizard
- Update payment URIs from hush: to drgx:
- Update branding strings throughout UI
- Add all 6 lite servers (lite, lite1-5.dragonx.is) with random selection
- Add server connectivity probing to skip unreachable servers
- Reuse Tokio runtime across block fetch batches to reduce sync overhead
- Update Cargo.lock dependencies

util/install.sh

@@ -1,10 +1,10 @@
-#!/bin/bash
-# Copyright 2019-2024 The Hush Developers
-
-cd ../ && ./build.sh linguist && ./build.sh
-
-username=$(id -un)
-
-cd util/ && sed -i "s|\/home\/.*\/SilentDragonXLite\/|\/home\/$username\/SilentDragonXLite\/|g" SilentDragonXLite.desktop
-
-cp SilentDragonXLite.desktop ~/.local/share/applications
+#!/bin/bash
+# Copyright 2019-2024 The Hush Developers
+
+cd ../ && ./build.sh linguist && ./build.sh
+
+username=$(id -un)
+
+cd util/ && sed -i "s|\/home\/.*\/SilentDragonXLite\/|\/home\/$username\/SilentDragonXLite\/|g" SilentDragonXLite.desktop
+
+cp SilentDragonXLite.desktop ~/.local/share/applications