CSS and modal tweaks

* Fix *most* selecting shenanigans in old Electron ver.
* Replace input field in add server modal with select
* Style select tag similarly to input

resources/app/menu/assets/css/openfusion.css

@@ -1,5 +1,6 @@
-#server-table {
-  opacity: 0.90;
+:not(input):not(textarea), :not(input):not(textarea)::after, :not(input):not(textarea)::before {
+  -webkit-user-select: none;
+  user-select: none;
 }
 
 #server-table > .table-striped tbody tr:nth-of-type(odd) {
@@ -10,6 +11,11 @@
   background-color: #34476E;
 }
 
+#server-table {
+  font-size: 14pt;
+  opacity: 0.9;
+}
+
 #of-intro-text {
   text-shadow: 1px 1px 8px #4349C4;
   color: #4A76B7;
@@ -80,8 +86,18 @@ input {
   color: #fff;
 }
 
-#server-table {
-  font-size: 14pt;
-  opacity: 0.9;
+select {
+  border-color: #0099FF;
+  background-color: #000;
+  color: #fff;
+}
+
+button:disabled {
+  cursor: not-allowed;
+  pointer-events: all !important;
+}
+
+button > i {
+  pointer-events: none;
 }