MixedDofhandler support (#70)

* plots solutionplot for heat problem, need to filter the visible triangles by a buffer

* use buffer

* why is this slow

* make solutionplot more readable and make a copy of physicalcoords for the Shader Buffer

* fix ferriteviewer for newer Makie

* remove unneccessary copy

* make all examples work, remove unneccessary functions

* fix clip plane

* remove unneccessary copy

* changelog entry

* remove unneccessary visible function

* eliminate remaining unneccessary allocs in transfer_solution

* first sketchy version

* show off needed interface functions

* two different constants in the set

* fix nan

* fixes for dofhandler getfieldhandlers dispatch

* fix colorbar for partial fields

* make pretty much everything working

* fix default args

* constraint Ferrite to latest release

* fix fieldname in solutionplot

* specify field for atopics interpolated gradient

* use :default again for field attribute

* include depth shift and change fontsize to textsize

* nonallocating min and max

* code review

* remove Page options

* overwrite JSServe version in docs CI

* revert JSServe pin

* revert JSServe.Page settings

* up JSServe and WGLMakie

Project.toml

@@ -12,7 +12,7 @@ ShaderAbstractions = "65257c39-d410-5151-9873-9b3e5be5013e"
 Tensors = "48a634ad-e948-5137-8d70-aa71f2a747f4"
 
 [compat]
-Ferrite = "0.3"
+Ferrite = "0.3.13"
 GeometryBasics = "0.4"
 Makie = "0.17,0.18,0.19"
 ShaderAbstractions = "0.3"