Fixed middleware not approving for token transfer

[NindoK]

Fix for bug in middleware which doesn't approve ODefaultOperatorsRewards contract for the safeTransfer.

[github-actions]

> Coverage generated

Coverage after merging fix/add-approve-on-middleware into main will be

52.69%	▴ +0.55%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
script
DeployCollateral.s.sol	20%	100%	33.33%	17.65%	24–25, 36, 39–41, 43–44, 46, 48–51, 53
DeploySymbiotic.s.sol	61.46%	100%	50%	61.63%	147, 150, 153–158, 160, 327–330, 333–336, 338, 349–352, 354–358, 360, 362–366
DeployTanssiEcosystem.s.sol	0%	0%	0%	0%	105, 110–115, 117–119, 121–123, 126–127, 129–131, 133, 139, 143–144, 157, 157–158, 162, 162–163, 165–169, 172, 172–173, 175, 177–181, 183, 183–185, 185–186, 188, 190–194, 197, 197–198, 200, 203–204, 204–206, 208–209, 214–215, 220–221, 221–223, 225, 228–229, 239, 241–242, 242–244, 248, 250–254, 256, 256, 256, 258, 260, 262–264, 273–274, 276–293, 296, 299–301, 303–306, 309–316
DeployVault.s.sol	60%	45.45%	50%	64.58%	113, 113–114, 117, 117–118, 122, 150, 162, 174, 174–175, 216, 228, 230, 242, 244–246, 248, 88, 94–95
HelperConfig.s.sol	0%	0%	0%	0%	37–38, 38, 38–39, 41, 45–48, 51–52, 55–71, 73, 86–87, 89, 91
script/test
Demo.s.sol	0%	100%	0%	0%	100–101, 103–105, 107–108, 110, 113–114, 125–130, 132–133, 135–139, 141–143, 145–150, 153, 156–158, 161, 169–172, 174–178, 180–181, 183–189, 191, 194, 197, 200–203, 206, 209, 212, 221, 224, 226–229, 231–233, 235–239, 241–243, 245–251, 253–255, 257–259, 261–264, 266–268, 270–271, 273–275, 277–281, 284–288, 292, 87–93, 95–97, 99
DeployTanssiEcosystemDemo.s.sol	0%	0%	0%	0%	110–111, 111–112, 115–120, 122–124, 126–132, 134–135, 137–139, 141–142, 144, 144–145, 147, 151–152, 165, 165–166, 170, 170–171, 173–177, 180, 180–181, 183, 185–189, 191, 191–193, 193–194, 196, 198–202, 205, 205–206, 208, 211–212, 212–214, 216–217, 222–223, 228–234, 237–239, 242–243, 253, 255–256, 256–258, 262, 264–268, 270, 270, 270, 272, 274, 276, 278–281, 283–289, 291–296, 298–303, 305–306, 315, 318, 321, 324–327, 329–350, 353, 356–358, 360–363, 366–373
src/contracts/libraries
MapWithTimeData.sol	100%	100%	100%	100%
SimpleKeyRegistry32.sol	100%	100%	100%	100%
src/contracts/middleware
Middleware.sol	100%	100%	100%	100%
src/contracts/rewarder
ODefaultOperatorRewards.sol	100%	100%	100%	100%
ODefaultStakerRewards.sol	100%	100%	100%	100%
test/mocks
FeeToken.sol	100%	100%	100%	100%
MapWithTimeDataContract.sol	100%	100%	100%	100%
Token.sol	100%	100%	100%	100%
test/mocks/symbiotic
DelegatorMock.sol	100%	100%	100%	100%
RegistryMock.sol	100%	100%	100%	100%