FIx for common plugins (MeshInspector#360)

* do not recalc already added items

* another attempt

* update

* add comment

Co-authored-by: Grant Karapetyan <[email protected]>

Fix writing of not-packed meshes in PLY, MIC#906

Fix rare macos rendering issue (MeshInspector#329)

* Use gles 3 for mac

* request opengl 3.3 for macos

* Revert "request opengl 3.3 for macos"

This reverts commit 4c1d6cd.

* Revert "Use gles 3 for mac"

This reverts commit 0213aaf.

* try libigl hack

* Revert "try libigl hack"

This reverts commit efb520d.

* test update shaders

* other fix

* add comment

fix fedora distribution

ObjectLabel: fix potential crash

update dirty flags due to corner rendering (MeshInspector#189)

Decimate Polyline3 (MeshInspector#172)

* Decimate Polyline3

* grammar

added boolean operation in meshconv (union, subtract, Intersection) (M…

…eshInspector#166)

* added boolean operation in meshconv (union, subtract, Intersection)

* reworked. fixed parsing

MREMeshDecimateParallel: add support for the region

VertexIdentifier class extracted from fromBinaryStl (MeshInspector#150)

* VertexIdentifier class extracted from fromBinaryStl

* fix memcpy

* #include "MRphmap.h" moved in the header

* fromPointTriples function added