FIx for #1950. Used option 1: if tab is loading, we keep the user from loading a new tab until the current tab is done.
FIx for #1950. Used option 1: if tab is loading, we keep the user from loading a new tab until the current tab is done.

isb-cgc/ISB-CGC-Webapp,isb-cgc/ISB-CGC-Webapp,isb-cgc/ISB-CGC-Webapp,isb-cgc/ISB-CGC-Webapp