Find QView's FindTool UniversalGroundMap priority to Projection (#5555)

* Change FindTool's UniversalGroundMap priority to Projection

* Updated changelog

Author: AustinSanders

CHANGELOG.md

@@ -41,6 +41,7 @@ release.
 
 
 ### Fixed
+- Fixed a bug in QVIEW's FindTool in which camera was prioritized over projction [#5508](https://github.com/DOI-USGS/ISIS3/issues/5508)
 - Fixed a bug in PolygonTools in which the program exited before attempting to fix an invalid Polygon [#5520](https://github.com/DOI-USGS/ISIS3/issues/5520)
 - Fixed a bug in QVIEW's Stretch tool where the default min/max type was not an available option [#5289](https://github.com/DOI-USGS/ISIS3/issues/5289)
 - Fixed a bug in QVIEW where images would double load if loaded from the commandline [#5505](https://github.com/DOI-USGS/ISIS3/pull/5505)

isis/src/qisis/objs/FindTool/FindTool.cpp

@@ -631,9 +631,10 @@ namespace Isis {
    */
   Distance FindTool::distancePerPixel(MdiCubeViewport *viewport,
                                       double lat, double lon) {
-    UniversalGroundMap *groundMap = viewport->universalGroundMap();
+    // UniversalGroundMaps default to camera priority, so create a new one so that we can use projection if it exists.
+    std::unique_ptr<UniversalGroundMap> groundMap(new UniversalGroundMap(*(viewport->cube()), UniversalGroundMap::ProjectionFirst));
     Distance viewportResolution;
-    if (viewport->camera() != NULL){
+    if (groundMap->Camera() != NULL){
       if (groundMap->Camera()->target()->isSky()) {
         return Distance(groundMap->Camera()->RaDecResolution(), Distance::Units::Meters);
       }