Update blaster_db.py

[Coday-meric]

Blasters support RM4, RM4c, RM4 Pro and some RM3 blasters. Use rm4 class and get_type function.

[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 1.45%.

Quality metrics	Before	After	Change
Complexity	3.91 ⭐	4.03 ⭐	0.12 👎
Method Length	27.76 ⭐	29.19 ⭐	1.43 👎
Working memory	7.00 🙂	7.50 🙂	0.50 👎
Quality	80.41% ⭐	78.96% ⭐	-1.45% 👎

Other metrics	Before	After	Change
Lines	160	166	6

Changed files	Quality Before	Quality After	Quality Change
app/db_helpers/blaster_db.py	80.41% ⭐	78.96% ⭐	-1.45% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
app/db_helpers/blaster_db.py	get_new_blasters	5 ⭐	112 🙂	14 😞	55.83% 🙂	Extract out complex expressions
app/db_helpers/blaster_db.py	Blaster.device	3 ⭐	73 🙂	11 😞	68.01% 🙂	Extract out complex expressions

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• 😞 poor
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