Layout change when Add Pages open shouldn't disable Pages panel (BL-6554)
Layout change when Add Pages open shouldn't disable Pages panel (BL-6554)

(cherry picked from commit 19fbb2d3db038d257fc1a85874d13aebba3f0424)

gmartin7/myBloomFork,gmartin7/myBloomFork,StephenMcConnel/BloomDesktop,BloomBooks/BloomDesktop,StephenMcConnel/BloomDesktop,StephenMcConnel/BloomDesktop,BloomBooks/BloomDesktop,StephenMcConnel/BloomDesktop,gmartin7/myBloomFork,StephenMcConnel/BloomDesktop,gmartin7/myBloomFork,BloomBooks/BloomDesktop,gmartin7/myBloomFork,BloomBooks/BloomDesktop,BloomBooks/BloomDesktop,StephenMcConnel/BloomDesktop,gmartin7/myBloomFork,BloomBooks/BloomDesktop