(fix) Adds case-sensitive trading pairs handling for Dexalot

[petioptrv]

Before submitting this PR, please make sure:

• Your code builds clean without any errors or warnings
• You are using approved title ("feat/", "fix/", "docs/", "refactor/")

A description of the changes proposed in the pull request:

This PR adds handling of case-sensitive trading pairs to the Dexalot connector.

Tests performed by the developer:

• Adapted the unit tests to catch this issue in the future.
• Manually tested the bot using BTC.B-USDC (exchange pair BTC.b/USDC).

Tips for QA testing:

Please ensure that case sensitive trading pairs don't cause problems for the bot.

[nikspz]

hi @petioptrv

Tests performed:

• Clone and install development + gatewayPR80
• start the bot and gatewayPR80
• add balance for BTC.b and WETH.e
• added gateway connector-tokens dexalot_avalanche_dexalot BTC.B,WETH.E
• checked that bot shows correct balance for WETH.E and incorrect for BTC.B
• created pureMM startegy using BTC.B-USDC and WETH.E-USDC
• review that bot do not placed the orders for BTC.B-USDC and also for WETH.E-USDC Pair

Currently there're issues on the PR

1. Bot Not displayed BTC.B balance using Client and also using
2. endpoint does not display also used {BTC.b, BTC.B} but still its showing 0.000000
3. Bot Doesn't place orders using BTC.B-USDC market
4. Bot Doesn't place orders using WETH.E-USDC market

1.)
Steps to reproduce:

• add/swap to have BTC.b balance on the exchange
• check balance on the client
• Pay attention to BTC.B balance on the Client

2.)
Same thing using endpoints

3.)
BTC.B-USDC market bot failed to place orders

4.)
WETH.E-USDC market bot failed to place orders

[petioptrv]

@nikspz, thank you for testing. I have pushed a fix for the balance issue observed here in the last commit (ed335b2). The order placement issue is due to a problem in the trading rules parsing, and I've added a fix for that on the client side in this PR.

[nikspz]

Tests performed:

• Clone and install PR 6191+ gatewayPR80
• start the bot and gatewayPR80
• add balance for BTC.b and WETH.e
• added gateway connector-tokens dexalot_avalanche_dexalot BTC.B,WETH.E
• checked that bot shows correct balance for WETH.E and for BTC.B
• created pureMM/amm_arb startegy using BTC.B-USDC and WETH.E-USDC
• review that bot placed the orders for BTC.B-USDC, WETH.E-USDC and AVAX-USDC Pair

retest latest commit

[nikspz]

Tests performed:

• Clone and install PR 6191+ gatewayPR80
• start the bot and gatewayPR80
• add balance for BTC.b and WETH.e
• added gateway connector-tokens dexalot_avalanche_dexalot BTC.B,WETH.E
• checked that bot shows correct balance for WETH.E and for BTC.B
• created pureMM/amm_arb startegy using BTC.B-USDC and WETH.E-USDC
• review that bot placed the orders for BTC.B-USDC, WETH.E-USDC and AVAX-USDC Pair