feat: improving masp transactions feedback for users and other gas estimation fixes #118

Job	Run time
Check for yarn.lock poisoning	5s
Build Namadillo	13m 16s
Build Extension	14m 3s
Lint	8m 10s
JS unit tests	16m 5s
WASM unit tests	20m 34s
E2E tests	0s
	1h 12m 13s

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