fix(Call): saved videos/images/sounds avoid usage of `:` separator in filename...

fix(Call): saved videos/images/sounds avoid usage of `:` separator in filename (unsupported on windows) (close #115)

src/components/call/CallModel.cpp

@@ -81,7 +81,7 @@ void CallModel::setRecordFile (shared_ptr<linphone::CallParams> &callParams) {
     ::Utils::appStringToCoreString(
       QStringLiteral("%1%2.mkv")
         .arg(CoreManager::getInstance()->getSettingsModel()->getSavedVideosFolder())
-      .arg(QDateTime::currentDateTime().toString("yyyy-MM-dd_hh:mm:ss"))
+        .arg(QDateTime::currentDateTime().toString("yyyy-MM-dd_hh-mm-ss"))
     )
   );
 }
@@ -197,7 +197,7 @@ void CallModel::rejectVideoRequest () {
 
 void CallModel::takeSnapshot () {
   static QString oldName;
-  QString newName = QDateTime::currentDateTime().toString("yyyy-MM-dd_hh:mm:ss") + ".jpg";
+  QString newName = QDateTime::currentDateTime().toString("yyyy-MM-dd_hh-mm-ss") + ".jpg";
 
   if (newName == oldName) {
     qWarning() << QStringLiteral("Unable to take snapshot. Wait one second.");

src/components/conference/ConferenceModel.cpp

@@ -80,7 +80,7 @@ void ConferenceModel::startRecording () {
     ::Utils::appStringToCoreString(
       QStringLiteral("%1%2.mkv")
         .arg(coreManager->getSettingsModel()->getSavedVideosFolder())
-      .arg(QDateTime::currentDateTime().toString("yyyy-MM-dd_hh:mm:ss"))
+        .arg(QDateTime::currentDateTime().toString("yyyy-MM-dd_hh-mm-ss"))
     )
   );
   mRecording = true;