Is measure from results supposed to be cummulative (for mulitple)?

[elil]

Measure only gives the area of one result polygon at a time, even if using the shift key to select multiple.

1. Select more than one parcel in the demo
2. Choose measure tool
3. Choose results on measure tool
4. Click one of the parcel results (see the area)
5. Click another of the parcel results (see the area)
6. Hold shift and click the same parcel results as in step 4. (above), now both parcel results are selected
7. Notice that the area is for only one of the parcel results

[theduckylittle]

The area calculation will now be cumulative with the recent #799 changes. I went a little above and beyond in that MR as it fixes a number of small measure bugs.

[elil]

Closing as fixed. @chughes-lincoln makes a good point on limiting measurement accumulation to once per polygon, #799 (comment)

[elil]

Just coming back to this. I closed it in favor of the comment on the 799 being a better place to address but now am coming back to this. Do we want to measure the same polygon multiple times or remove it or just measure it once?