add material chooser

...lication/ui/property_type/PropertyTypeAssignmentForm.java

...web/client/application/AbstractGenericEntityEditForm.java

...nt/application/AbstractGenericEntityRegistrationForm.java

...ient/application/experiment/ExperimentPropertyEditor.java

...ent/application/experiment/GenericExperimentEditForm.java

...ication/experiment/GenericExperimentRegistrationForm.java

...t/web/client/application/experiment/PropertiesEditor.java

.../client/application/material/GenericMaterialEditForm.java

...b/client/application/material/MaterialPropertyEditor.java

.../web/client/application/sample/GenericSampleEditForm.java

...ent/application/sample/GenericSampleRegistrationForm.java

...t/web/client/application/sample/SamplePropertyEditor.java