Closes #4485, prevents us from accidentally calling deactivate_tool() repeatedly.
Closes #4485, prevents us from accidentally calling deactivate_tool() repeatedly.
Sanva/shotwell-gsoc,ritchiewilson/shotwell,abrauchli/shotwell,h4ck3rm1k3/shotwell,polymeris/shotwell,Sanva/shotwell-gsoc,damianmoore/shotwell,polymeris/shotwell,h4ck3rm1k3/shotwell,damianmoore/shotwell,polymeris/shotwell,h4ck3rm1k3/shotwell,ritchiewilson/shotwell,jimbonator/shotwell,damianmoore/shotwell,jimbonator/shotwell,Sanva/shotwell-gsoc,ritchiewilson/shotwell,jimbonator/shotwell,abrauchli/shotwell,abrauchli/shotwell