BUG #15071: Trace changes to solid color.

Added missing tracing macros to pqEditColorMapReaction to trace changes
to solid color in pqEditColorMapReaction.

Change-Id: I541af706ec3b892f3681d61a50558bfc81347fc7
Merge topic '15071_trace_solid_color_changes' into next

732fc80c BUG #15071: Trace changes to solid color.
Remove "Extract Location" from the toolbar.

This filter doesn't have an icon. Don't show it in the toolbar.

Change-Id: I8e3a0d973fcff29fe67e654c12c05f35ae2da20f
Merge topic '15071_trace_solid_color_changes' into next

333583a3 Remove "Extract Location" from the toolbar.