Fix: update template class Charge initialization #192

Job	Run time
Build with GNU toolchain	8m 58s
Build extra components with GNU toolchain	22m 46s
Build with Intel toolchain	7m 30s
Build with CUDA support	15m 15s
Build without ELPA	8m 43s
Build without LCAO	5m 30s
Build extra components with Intel toolchain	19m 0s
Build without MPI	7m 3s
Build without LCAO and MPI	4m 14s
	1h 38m 59s

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