refactor(components): Rename StoreMessage to MessageStore for Better Clarity

[Vigtu]

Changes in Message Store Component:

Component Rename:

1. StoreMessage -> MessageStore:

• Renamed class from StoreMessageComponent to MessageStoreComponent
• Updated display name to "Message Store"
• Changed icon from "save" to "message-square-text"
• Updated component name to "MessageStore"

Output Configuration:

• Added hidden=True to stored_messages output

Import Updates:

• Updated import in init.py:
  • store_message -> message_store
  • StoreMessageComponent -> MessageStoreComponent

File Rename:

• store_message.py -> message_store.py

No Functional Changes:

• Core functionality remains the same
• Only naming and cosmetic changes applied
• Component description maintained

[erichare]

@Vigtu same for this one, if you don't mind fixing the merge conflict i'll do a review!

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #5009 will degrade performances by 23.25%

_{Comparing Vigtu:store-message-component (1489ea0) with main (b692ef7)}

Summary

⚡ 3 improvements
❌ 1 regressions
✅ 11 untouched benchmarks

:warning: Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	Vigtu:store-message-component	Change
⚡	test_get_and_cache_all_types_dict	1,043.8 µs	844.8 µs	+23.56%
⚡	test_successful_run_with_input_type_any	258.1 ms	163.1 ms	+58.18%
❌	test_successful_run_with_output_type_any	177.2 ms	230.9 ms	-23.25%
⚡	test_successful_run_with_output_type_debug	249.9 ms	160.4 ms	+55.85%