installer: settle delay before first dialog (fixes flash-dismiss)

installer/installer.c

@@ -7,6 +7,7 @@
 #include <unistd.h>
 #include <sys/stat.h>
 #include <errno.h>
+#include <orbis/libkernel.h>
 #include "ui.h"
 #include "send.h"
 #include "icfg.h"
@@ -192,6 +193,10 @@ static void step_inject(void){
 int main(void){
     int q;
     if(ui_init() != 0) return 1;
+    /* Let the system finish bringing the app to foreground before the
+     * first dialog: opening one mid-transition gets auto-dismissed
+     * (looks like a half-second flash, then the app exits). */
+    sceKernelSleep(3);
     q = ui_confirm("Install orbisRPC?\n\nCopies the daemon, sets up config, checks WiFi, saves your token, and starts it.");
     if(q != 1) return 0;
     if(step_files() != 0) return 1;