Fix Android native file picker

platform/android/java/lib/src/org/godotengine/godot/io/FilePicker.kt

@@ -144,14 +144,10 @@ internal class FilePicker {
 			}
 			// ACTION_OPEN_DOCUMENT_TREE does not support intent type
 			if (fileMode != FILE_MODE_OPEN_DIR) {
-				intent.type = "*/*"
-				if (filters.isNotEmpty()) {
-					val resolvedFilters = filters.map { resolveMimeType(it) }.distinct()
-					if (resolvedFilters.size == 1) {
-						intent.type = resolvedFilters[0]
-					} else {
-						intent.putExtra(Intent.EXTRA_MIME_TYPES, resolvedFilters.toTypedArray())
-					}
+				val resolvedFilters = filters.map { resolveMimeType(it) }.distinct()
+				intent.type = resolvedFilters.firstOrNull { it != "application/octet-stream" } ?: "*/*"
+				if (resolvedFilters.size > 1) {
+					intent.putExtra(Intent.EXTRA_MIME_TYPES, resolvedFilters.toTypedArray())
 				}
 				intent.addCategory(Intent.CATEGORY_OPENABLE)
 			}

platform/android/java_godot_wrapper.cpp

@@ -329,7 +329,7 @@ Error GodotJavaWrapper::show_file_picker(const String &p_current_directory, cons
 		jint j_mode = p_mode;
 		jobjectArray j_filters = env->NewObjectArray(p_filters.size(), env->FindClass("java/lang/String"), nullptr);
 		for (int i = 0; i < p_filters.size(); ++i) {
-			jstring j_filter = env->NewStringUTF(p_filters[i].utf8().get_data());
+			jstring j_filter = env->NewStringUTF(p_filters[i].get_slice(";", 0).utf8().get_data());
 			env->SetObjectArrayElement(j_filters, i, j_filter);
 			env->DeleteLocalRef(j_filter);
 		}