By Jessica Frank-Keyes As Rachel Reeves spoke with buyout bosses and venture capitalists in Leeds earlier this month, the mood was warm. Investors around the table laid out a boosterish pitch for private capital and its role in the economy and the Shadow Chancellor was equally glowing in her response. “The private equity and venture capital sector is incredibly important for fulfilling our mission to grow the economy,” Reeves told those around the table, according to a post from the British Venture Capital and Private Equity Association, which organised the meeting. But the cordial tone of the…