By Victoria Waldersee BERLIN (Reuters) – Germany has managed to fill its gas reserves to 91.32% of capacity, allaying fears it could run out this winter after Russian gas flows fell sharply following European sanctions over the invasion of Ukraine – but it has come at a price. One in ten mid-sized companies, which provide nearly two thirds of German jobs, have cut or halted production because of gas prices, according to a September survey of nearly 600 mid-sized firms by business association BDI, reducing demand. Some industrial giants in particular gas-heavy industries like chemicals have beg…