The previous interface wasn't sufficient to properly support the Apply
button, since it didn't separate applying the changes from the cleanup
phase.

Designer settings pages still need some fixing.

Fixes Apply button causing problems for certain plugins, for example the
QuickOpen.

Details:  - To make it conform to naming convention.

Details: Was broken due to duplicate but not synchronized internal pid data

Details: also sorts by process name by default

Task:   Message-ID: <b3dce35e57024e108c753d6fe40fdc23@7e24035161164d75927b8103ef1a2cdf> @qt-creator

You couldn't disable the 'always adjust column widths to contents' logic
cause of an uninitialized boolean that refused to toggle to false.

to the "user space" (gdbmacros.cpp)

wrt arguments

qualification like 'const char *'

Details:  in all pluginspecs.

location was removed from an editor

RevBy:    - hjk