Release IKAR 1.0.7: port navigation and sharing improvements, harden calls

test/pending_message_deletions_test.dart

@@ -0,0 +1,20 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:ikar/backend/modules/pending_message_deletions.dart';
+
+void main() {
+  test(
+    'undo retains other pending removals and isolates accounts and chats',
+    () {
+      final pending = PendingMessageDeletions();
+      pending.hold(1, 2, ['a', 'b']);
+      pending.hold(1, 2, ['c']);
+      pending.hold(3, 2, ['a']);
+      pending.release(1, 2, ['a', 'b']);
+      expect(pending.contains(1, 2, 'a'), isFalse);
+      expect(pending.contains(1, 2, 'c'), isTrue);
+      expect(pending.contains(3, 2, 'a'), isTrue);
+      expect(pending.contains(1, 4, 'c'), isFalse);
+      pending.dispose();
+    },
+  );
+}