rtmp-service: Rename "stream key" for dacast

(Additional note by Jim: Apparently, dacast doesn't use "stream key" for
whatever reason on its website, so this commit apparently changes the
text "Stream Key" to "Encoder Key" or whatever for whatever reason I'll
never know. I guess we need arbitrary names for things these days
because services can't get their names in order or something. Whatever.
I'm seriously tired of dealing with this sort of stuff. Seriously, this
is just dumb. This is dumb, and I wish I wasn't merging it, but at this
point, I'm like, whatever. I don't care. I've stopped caring. Why should
I care anymore? I'm losing it. I am absolutely losing it.)

UI/data/locale/en-US.ini

@@ -184,6 +184,7 @@ Basic.AutoConfig.StreamPage.Service.Custom="Custom..."
 Basic.AutoConfig.StreamPage.Server="Server"
 Basic.AutoConfig.StreamPage.StreamKey="Stream Key"
 Basic.AutoConfig.StreamPage.StreamKey.LinkToSite="(Link)"
+Basic.AutoConfig.StreamPage.EncoderKey="Encoder Key"
 Basic.AutoConfig.StreamPage.PerformBandwidthTest="Estimate bitrate with bandwidth test (may take a few minutes)"
 Basic.AutoConfig.StreamPage.PreferHardwareEncoding="Prefer hardware encoding"
 Basic.AutoConfig.StreamPage.PreferHardwareEncoding.ToolTip="Hardware Encoding eliminates most CPU usage, but may require more bitrate to obtain the same level of quality."

UI/window-basic-auto-config.cpp

@@ -650,6 +650,14 @@ void AutoConfigStreamPage::UpdateKeyLink()
 		streamKeyLink = "https://brimelive.com/obs-stream-key-link";
 	}
 
+	if (serviceName == "Dacast") {
+		ui->streamKeyLabel->setText(
+			QTStr("Basic.AutoConfig.StreamPage.EncoderKey"));
+	} else {
+		ui->streamKeyLabel->setText(
+			QTStr("Basic.AutoConfig.StreamPage.StreamKey"));
+	}
+
 	if (QString(streamKeyLink).isNull()) {
 		ui->streamKeyButton->hide();
 	} else {

UI/window-basic-settings-stream.cpp

@@ -302,6 +302,14 @@ void OBSBasicSettings::UpdateKeyLink()
 		streamKeyLink = "https://brimelive.com/obs-stream-key-link";
 	}
 
+	if (serviceName == "Dacast") {
+		ui->streamKeyLabel->setText(
+			QTStr("Basic.AutoConfig.StreamPage.EncoderKey"));
+	} else {
+		ui->streamKeyLabel->setText(
+			QTStr("Basic.AutoConfig.StreamPage.StreamKey"));
+	}
+
 	if (QString(streamKeyLink).isNull()) {
 		ui->getStreamKeyButton->hide();
 	} else {