The shared workspace company WeWork colonised Dublin quickly and efficiently. In just over two years it set up five locations in the city. Seven more are in the works. Six of those deals were arranged just this year. WeWork’s knotweed-like growth in Dublin has been fuelled by abundant investment capital. The money mostly originated in Saudi Arabia and Qatar, and has been placed in WeWork by Softbank, a Japanese investment fund.   In August, WeWork’s access to capital was abruptly cut off. After a disastrous failed initial public offering (IPO), its financial backer Softbank has been forced to take control…