By Sujata Rao and Saikat Chatterjee LONDON (Reuters) – The euro inched higher on Tuesday, reversing earlier falls that had taken it to the brink of parity with the dollar, but it stayed under heavy pressure from a potential energy supply crunch and uncertainty over the ECB’s rate rise campaign. The euro fell as low as $1.0005, before edging off that level. By 1315 GMT it was up 0.15%, at $1.00540. GRAPHIC: Euro-dollar parity https://fingfx.thomsonreuters.com/gfx/mkt/lgvdwzkoapo/Pasted%20image%201657613096884.png Neil Jones, head of currency sales at Mizuho, said markets had been ‘short’ the eu…