Fix build warning with memset value being too large

Should resolve issue #83342

drivers/gles3/storage/texture_storage.cpp

@@ -1475,7 +1475,7 @@ void TextureStorage::update_texture_atlas() {
 		//generate atlas
 		Vector<TextureAtlas::SortItem> itemsv;
 		itemsv.resize(texture_atlas.textures.size());
-		int base_size = 8;
+		uint32_t base_size = 8;
 
 		int idx = 0;
 
@@ -1488,7 +1488,7 @@ void TextureStorage::update_texture_atlas() {
 			si.size.height = (src_tex->height / border) + 1;
 			si.pixel_size = Size2i(src_tex->width, src_tex->height);
 
-			if (base_size < si.size.width) {
+			if (base_size < (uint32_t)si.size.width) {
 				base_size = nearest_power_of_2_templated(si.size.width);
 			}
 
@@ -1519,7 +1519,7 @@ void TextureStorage::update_texture_atlas() {
 				TextureAtlas::SortItem &si = items[i];
 				int best_idx = -1;
 				int best_height = 0x7FFFFFFF;
-				for (int j = 0; j <= base_size - si.size.width; j++) {
+				for (uint32_t j = 0; j <= base_size - si.size.width; j++) {
 					int height = 0;
 					for (int k = 0; k < si.size.width; k++) {
 						int h = v_offsets[k + j];
@@ -1550,7 +1550,7 @@ void TextureStorage::update_texture_atlas() {
 				}
 			}
 
-			if (max_height <= base_size * 2) {
+			if ((uint32_t)max_height <= base_size * 2) {
 				atlas_height = max_height;
 				break; //good ratio, break;
 			}