Optimize lsra for MinOpts (#96386)

* Optimize resetAllRegistersState()

* Add assert about refType for minopts

* Templatize processBlockEndAllocation()

* Add resetMinOpts()

* Add selectMinOpts()

* Add calculateUnassignedSet()

* Call spillCostMinOpts() for minopts

* Add enregisterLocalVars check in setIntervalAsSpilled()

* optimize few paths in resolveRegisters()

* optimize few paths in allocateRegisters()

* Adjust RegisterSelection creation

* Add allocateRegistersForMinOpts()

* jit format

* Update the assert for processBlockStartLocations()

* Fix bug by using freeCandidates

* Set candidates only if freeCandidates are NONE

* Remove unnecessary setting of foundRegBit

* Remove unnecessary checks for `freeCandidates == RBM_NONE`

* Remove unnecessary checks for `freeCandidates == RBM_NONE` --amend

* wip

* add allocateRegForMinOpts()

* Remove hasConsecutiveRegister template from allocateRegistersForMinOpt()

* Add template parameter for assignCopyReg() and fix the uses

* fix calls to processBlockEndAllocation()

* fix bug about initializing vectorIter

* Add assignCopyRegForMinOpts

* jit format

* rename from *MinOpts to *Minimal

* Remove unneeded method

* jit format

* Add back short-circuit code

* Quick LSRA only if optimization is disabled

* Add verifyFreeRegisters()

Author: kunalspathak