add: visible feedback on failure

This MR brings the following features;

• add: visible feedback from the system on failure
• enh: stop reloading on errors
• enh: add jira link for the users to create tickets faster
• enh: merge the error logging mechanisms in wasm and js
• chore: clean-up

src/designviewer.cpp

@@ -46,18 +46,6 @@
 #include <QtGui/private/qzipreader_p.h>
 #endif
 
-std::function<void(char *, size_t, char *)> g_setFileDataCallback;
-extern "C" EMSCRIPTEN_KEEPALIVE void qt_callSetFileData(char *content,
-                                                        size_t contentSize,
-                                                        char *fileName)
-{
-    if (g_setFileDataCallback == nullptr)
-        return;
-
-    g_setFileDataCallback(content, contentSize, fileName);
-    g_setFileDataCallback = nullptr;
-}
-
 DesignViewer::DesignViewer()
 {
     qDebug() << "DesignViewer constructor";