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/replace.pl

@@ -1,42 +1,42 @@
-#!/usr/bin/perl
-# Copyright (c) 2016-2024 The Hush developers
-# Distributed under the GPLv3 software license, see the accompanying
-# file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
-
-use strict;
-use warnings;
-use autodie;
-use Data::Dumper;
-my ($find,$replace,@files) = @ARGV;
-
-usage() unless $find && defined $replace;
-unless( @files ) {
-    printf "No files to replace stuff!";
-    exit 0;
-}
-
-my $fh;
-print "Going to replace $find with $replace in " . scalar(@files) . " files\n";
-
-for my $file (@files) {
-    if (-d $file) {
-        printf "Skipping directory $file\n";
-        next;
-    }
-    unless ( -e $file ) {
-        printf "$file does not exist!\n";
-        next;
-    }
-    open $fh, '<', $file;
-    my $content = join('',<$fh>);
-    $content =~ s/\Q$find\E/$replace/g;
-    close $fh;
-
-    open $fh, '>', $file;
-    print $fh $content;
-    close $fh;
-}
-
-sub usage {
-    die "$0 stringtofind stringtoreplace file [more files...]\n";
-}
+#!/usr/bin/perl
+# Copyright (c) 2016-2024 The Hush developers
+# Distributed under the GPLv3 software license, see the accompanying
+# file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
+
+use strict;
+use warnings;
+use autodie;
+use Data::Dumper;
+my ($find,$replace,@files) = @ARGV;
+
+usage() unless $find && defined $replace;
+unless( @files ) {
+    printf "No files to replace stuff!";
+    exit 0;
+}
+
+my $fh;
+print "Going to replace $find with $replace in " . scalar(@files) . " files\n";
+
+for my $file (@files) {
+    if (-d $file) {
+        printf "Skipping directory $file\n";
+        next;
+    }
+    unless ( -e $file ) {
+        printf "$file does not exist!\n";
+        next;
+    }
+    open $fh, '<', $file;
+    my $content = join('',<$fh>);
+    $content =~ s/\Q$find\E/$replace/g;
+    close $fh;
+
+    open $fh, '>', $file;
+    print $fh $content;
+    close $fh;
+}
+
+sub usage {
+    die "$0 stringtofind stringtoreplace file [more files...]\n";
+}