Noble, the biopic of Irish humanitarian Christina Noble starring comedian Deidre O’Kane, feels a lot like a TV movie. First there’s the on-the-nose title, which reminds me of those movies you sometimes see on satellite channels, the ones that rip off blockbuster plots and give them over-literal titles like Space Danger or Future Saviour. The film may as well be called Saint Christina or The Pluck of the Irish. And second, there’s the intensely by-the-numbers approach it takes to Noble’s life story, as cribbed from memoirs like Bridge Across My Sorrows and Mama Tina. The film shifts chronologically between two stories: the ‘mis-lit’ material of her growing up in post-war Dublin squalor and ‘present day’…