Error correction related to singlepool implementation (liquidity update in crossing, swap with type(int256).max as amountSpecified))

[xben12]

Related Issue

1. TWAMM SinglePool LiquidityNet update formula is incorrect. link: [Bug]: TWAMM SinglePool LiquidityNet update formula is incorrect #66
2. swap with type(int256).max as amountSpecified

Description of changes

1. update of the formula on liquidity update when price cross the tick. ( [Bug]: TWAMM SinglePool LiquidityNet update formula is incorrect #66)
2. calcuate the uppper limit for amountSpecified to prevent errors where backed out amount_to_swap is larger than the total selling amount In single sell mode.
3. added 3 test function & 2 setting functions for the above 2 issues:

• 2 test case related to price crossing, and
• one related to backout amount > total selling amount).
  

Run test using: forge test --match-test testTWAMM_OrderFill_SingleSide -vv
========================Results=========================
[⠒] Compiling...
No files changed, compilation skipped

Running 3 tests for test/TWAMM.t.sol:TWAMMTest
[PASS] testTWAMM_OrderFill_SingleSide_OneForZero_Crosstick() (gas: 567406)
[PASS] testTWAMM_OrderFill_SingleSide_ZeroForOne_Crosstick() (gas: 600276)
[PASS] testTWAMM_OrderFill_SingleSide_ZeroForOne_NoCross() (gas: 509822)
Test result: ok. 3 passed; 0 failed; 0 skipped; finished in 12.63ms
Ran 1 test suites: 3 tests passed, 0 failed, 0 skipped (3 total tests)