#2904 Edit Flowsheet "update" section clean up

Just some display clean up of the edit flowsheet update section. On the
left side column there is text "sdfsdf" and beside the graphable
dropdown there is an unwanted ">".

https://sourceforge.net/p/oscarmcmaster/bugs/2904/

I also added a cancel button on the update section.

Change-Id: I8195c51d236332dafd075071c3459f15f4e340f0
2898 long term drugs should stay current during lifetime

Change-Id: I0db4c1224051518c45df900f5e6bc8417a7035f1
2945 master demographic - city field too short
Merge "#2904 Edit Flowsheet "update" section clean up" into RELEASE_12_1
2948 new SLI code PDF needed
Merge "2945 master demographic - city field too short" into RELEASE_12_1
Merge "2948 new SLI code PDF needed" into RELEASE_12_1