Fix color channels for VMware alpha cursors

The red and blue channels were incorrectly swapped.

kasmweb/core/rfb.js

@@ -1842,9 +1842,9 @@ export default class RFB extends EventTargetMixin {
             for (let pixel = 0; pixel < (w * h); pixel++) {
                 let data = this._sock.rQshift32();
 
-                rgba[(pixel * 4)     ] = data >> 8 & 0xff;  //r
+                rgba[(pixel * 4)     ] = data >> 24 & 0xff; //r
                 rgba[(pixel * 4) + 1 ] = data >> 16 & 0xff; //g
-                rgba[(pixel * 4) + 2 ] = data >> 24 & 0xff; //b
+                rgba[(pixel * 4) + 2 ] = data >> 8 & 0xff;  //b
                 rgba[(pixel * 4) + 3 ] = data & 0xff;       //a
             }
 

kasmweb/tests/test.rfb.js

@@ -2243,7 +2243,7 @@ describe('Remote Frame Buffer Protocol Client', function () {
                     });
 
                     it('should update the cursor when type is alpha', function () {
-                        let data = [0xee, 0x55, 0xff, 0x00, // bgra
+                        let data = [0xee, 0x55, 0xff, 0x00, // rgba
                                     0x00, 0xff, 0x00, 0xff,
                                     0x00, 0xff, 0x00, 0x22,
                                     0x00, 0xff, 0x00, 0x22,
@@ -2261,12 +2261,12 @@ describe('Remote Frame Buffer Protocol Client', function () {
                             push8(rect, data[i]);
                         }
 
-                        let expected_rgba = [0xff, 0x55, 0xee, 0x00,
+                        let expected_rgba = [0xee, 0x55, 0xff, 0x00,
                                              0x00, 0xff, 0x00, 0xff,
                                              0x00, 0xff, 0x00, 0x22,
                                              0x00, 0xff, 0x00, 0x22,
                                              0x00, 0xff, 0x00, 0x22,
-                                             0xff, 0x00, 0x00, 0xee];
+                                             0x00, 0x00, 0xff, 0xee];
 
                         send_fbu_msg([{ x: hotx, y: hoty,
                                         width: w, height: h,