UI: Show video container warning when selecting MOV

MOV and MP4 are closely related and the warning message applies to both
of these container formats.

Closes #1683

UI/data/locale/en-US.ini

@@ -876,7 +876,7 @@ SceneItemHide="Hide '%1'"
 # Output warnings
 OutputWarnings.NoTracksSelected="You must select at least one track"
 OutputWarnings.MultiTrackRecording="Warning: Certain formats (such as FLV) do not support multiple tracks per recording"
-OutputWarnings.MP4Recording="Warning: Recordings saved to MP4 will be unrecoverable if the file cannot be finalized (e.g. as a result of BSODs, power losses, etc.). If you want to record multiple audio tracks consider using MKV and remux the recording to mp4 after it is finished (File->Remux Recordings)"
+OutputWarnings.MP4Recording="Warning: Recordings saved to MP4/MOV will be unrecoverable if the file cannot be finalized (e.g. as a result of BSODs, power losses, etc.). If you want to record multiple audio tracks consider using MKV and remux the recording to MP4/MOV after it is finished (File->Remux Recordings)"
 
 # deleting final scene
 FinalScene.Title="Delete Scene"

UI/window-basic-settings.cpp

@@ -3888,7 +3888,8 @@ void OBSBasicSettings::AdvOutRecCheckWarnings()
 		warningMsg = QTStr("OutputWarnings.MultiTrackRecording");
 	}
 
-	if (ui->advOutRecFormat->currentText().compare("mp4") == 0) {
+	if (ui->advOutRecFormat->currentText().compare("mp4") == 0 ||
+	    ui->advOutRecFormat->currentText().compare("mov") == 0) {
 		if (!warningMsg.isEmpty())
 			warningMsg += "\n\n";
 		warningMsg += QTStr("OutputWarnings.MP4Recording");
@@ -4347,7 +4348,8 @@ void OBSBasicSettings::SimpleRecordingEncoderChanged()
 		}
 	}
 
-	if (ui->simpleOutRecFormat->currentText().compare("mp4") == 0) {
+	if (ui->simpleOutRecFormat->currentText().compare("mp4") == 0 ||
+	    ui->simpleOutRecFormat->currentText().compare("mov") == 0) {
 		if (!warning.isEmpty())
 			warning += "\n\n";
 		warning += QTStr("OutputWarnings.MP4Recording");