feat: switch numeric inputs to symbols keyboard #66

Job	Run time
build app	1m 57s
Run Ktlint and Detekt	49s
collect_coverage	4m 22s
Run Tests	4m 6s
Run Android Instrumentation Tests (Keyboards)	11m 23s
Run Android Instrumentation Tests (Conjugate)	4m 47s
	27m 24s

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