Add --no-vd-system-decorations

Add an option to disable the following flag for virtual displays:

    DisplayManager.VIRTUAL_DISPLAY_FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS

Some devices render a broken UI when this flag is enabled.

Fixes #5494 <https://github.com/Genymobile/scrcpy/issues/5494>

app/src/cli.c

@@ -109,6 +109,7 @@ enum {
     OPT_SCREEN_OFF_TIMEOUT,
     OPT_CAPTURE_ORIENTATION,
     OPT_ANGLE,
+    OPT_NO_VD_SYSTEM_DECORATIONS,
 };
 
 struct sc_option {
@@ -659,6 +660,11 @@ static const struct sc_option options[] = {
         .longopt = "no-power-on",
         .text = "Do not power on the device on start.",
     },
+    {
+        .longopt_id = OPT_NO_VD_SYSTEM_DECORATIONS,
+        .longopt = "no-vd-system-decorations",
+        .text = "Disable virtual display system decorations flag.",
+    },
     {
         .longopt_id = OPT_NO_VIDEO,
         .longopt = "no-video",
@@ -2699,6 +2705,9 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
             case OPT_ANGLE:
                 opts->angle = optarg;
                 break;
+            case OPT_NO_VD_SYSTEM_DECORATIONS:
+                opts->vd_system_decorations = optarg;
+                break;
             default:
                 // getopt prints the error message on stderr
                 return false;