No longer remove tabs if big images. (close #10035) (rebased onto develop)



This is the same as gh-581 but rebased onto develop.

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The init sequence has previously been modified
No longer required to remove the split and projection tabs.
see https://trac.openmicroscopy.org.uk/ome/ticket/10035

To test:
 * Log in as user-3
 * browse the jpeg dataset
 * open a 2kx2k image
 * open a 8kx8k image