feat: Hide messages from suspicious users in streamer mode (#6042)

This is a setting that's enabled by default and can be disabled under
the "Streamer mode" sub-category in the settings dialog

src/singletons/StreamerMode.cpp

@@ -207,6 +207,11 @@ bool StreamerMode::shouldHideModActions() const
     return getSettings()->streamerModeHideModActions && this->isEnabled();
 }
 
+bool StreamerMode::shouldHideSuspiciousUsers() const
+{
+    return getSettings()->streamerModeHideSuspiciousUsers && this->isEnabled();
+}
+
 void StreamerMode::start()
 {
     this->private_->start();