Prevent Sending Blank Messages, fix htmlescape & bug

qml/overlays/ChatOverlay.qml

@@ -226,8 +226,11 @@ ColumnLayout {
 				onClicked: {
 					if (txtMessage.text != "") {
 						txtHidden.text = restoreEmoji(txtMessage.text)
-						var msg = JSON.stringify({"o":1, "d":txtHidden.getText(0, txtHidden.text.length)})
-						gcd.sendMessage(msg, nextMessageID++)
+						var txt = txtHidden.getText(0, txtHidden.text.length).trim()
+						if (txt.length > 0) {
+							var msg = JSON.stringify({"o":1, "d":txtHidden.getText(0, txtHidden.text.length)})
+							gcd.sendMessage(msg, nextMessageID++)
+						}
 					}
 					txtMessage.text = ""
 				}

qml/utils.js

@@ -1,11 +1,8 @@
 .pragma library
 
 function htmlEscaped(str) {
-    str = str.replace(/&/g, "&");
     str = str.replace(/</g, "&lt;");
     str = str.replace(/>/g, "&gt;");
-    str = str.replace(/"/g, "&quot;");
-    str = str.replace(/'/g, "&apos;");
     return str
 }