feat: 32-bit process support, scanner rescan filtering, suppress flash on navigate

- Add pointerSize() to Provider base; WoW64/ELF detection in ProcessMemory,
  WinDbg, and RemoteProcessMemory plugins
- Wire pointer size through NodeTree, source/XML imports, C++ generator,
  controller, compose, address parser, and RPC protocol header
- Add is32Bit to PluginProcessInfo and ProcessInfo; show (32-bit) in picker
- Scanner rescan now filters results against the current input value
- Go-to-address from scanner resets change tracking to prevent false flashing

src/main.cpp

@@ -2921,6 +2921,7 @@ void MainWindow::createScannerDock() {
         if (!ctrl) return;
         ctrl->document()->tree.baseAddress = addr;
         ctrl->document()->tree.baseAddressFormula.clear();
+        ctrl->resetChangeTracking();
         ctrl->refresh();
     });
 }