Gracefully handle casts during comparison operators

[SupunS]

Port of https://github.com/dapperlabs/cadence-internal/pull/46

Description

Handle Go casts during comparison operators (<, <=, >, >=).

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• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[codecov-commenter]

Codecov Report

Merging #1330 (48909b9) into master (834f5f1) will increase coverage by 0.35%.
The diff coverage is 88.90%.

@@            Coverage Diff             @@
##           master    #1330      +/-   ##
==========================================
+ Coverage   75.57%   75.93%   +0.35%     
==========================================
  Files         279      279              
  Lines       37813    38373     +560     
==========================================
+ Hits        28578    29138     +560     
  Misses       7958     7958              
  Partials     1277     1277              

Flag	Coverage Δ
unittests	75.93% <88.90%> (+0.35%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
runtime/interpreter/value.go	71.49% <88.90%> (+2.54%)	⬆️

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[github-actions]

Cadence Benchstat comparison

This branch with compared with the base branch onflow:master commit 834f5f1
The command for i in {1..N}; do go test ./... -run=XXX -bench=. -shuffle=on; done was used.
Bench tests were run a total of 7 times on each branch.

Results

	old.txt	new.txt
	time/op		delta
RuntimeFungibleTokenTransfer-2	1.52ms ±23%	1.58ms ±20%	~	(p=0.805 n=7+7)
RuntimeResourceDictionaryValues-2	16.9ms ± 5%	17.1ms ± 4%	~	(p=0.805 n=7+7)
ParseFungibleToken-2	495µs ± 3%	492µs ± 4%	~	(p=0.535 n=7+7)
ParseInfix-2	25.3µs ± 2%	25.2µs ± 2%	~	(p=0.710 n=7+7)
ParseDeploy/byte_array-2	36.4ms ± 3%	36.0ms ± 3%	~	(p=0.383 n=7+7)
ParseDeploy/decode_hex-2	1.55ms ± 1%	1.55ms ± 4%	~	(p=1.000 n=7+7)
QualifiedIdentifierCreation/One_level-2	3.44ns ± 2%	3.41ns ± 3%	~	(p=0.435 n=7+7)
QualifiedIdentifierCreation/Three_levels-2	178ns ± 3%	176ns ± 2%	~	(p=0.456 n=7+7)
CheckContractInterfaceFungibleTokenConformance-2	178µs ± 5%	176µs ± 1%	~	(p=0.731 n=7+6)
ContractInterfaceFungibleToken-2	49.4µs ± 2%	49.3µs ± 3%	~	(p=0.836 n=6+7)
NewInterpreter/new_interpreter-2	1.25µs ± 2%	1.25µs ± 5%	~	(p=0.945 n=6+7)
InterpretRecursionFib-2	2.84ms ± 2%	2.93ms ± 6%	~	(p=0.181 n=6+7)
ParseArray-2	24.4ms ± 2%	23.7ms ± 3%	−3.11%	(p=0.011 n=7+7)
NewInterpreter/new_sub-interpreter-2	2.57µs ± 5%	2.44µs ± 2%	−5.08%	(p=0.035 n=7+6)
	alloc/op		delta
RuntimeFungibleTokenTransfer-2	238kB ± 0%	238kB ± 0%	~	(p=0.967 n=7+6)
RuntimeResourceDictionaryValues-2	4.04MB ± 0%	4.04MB ± 0%	~	(p=0.165 n=7+7)
QualifiedIdentifierCreation/One_level-2	0.00B	0.00B	~	(all equal)
QualifiedIdentifierCreation/Three_levels-2	64.0B ± 0%	64.0B ± 0%	~	(all equal)
CheckContractInterfaceFungibleTokenConformance-2	65.7kB ± 0%	65.7kB ± 0%	~	(all equal)
ContractInterfaceFungibleToken-2	26.5kB ± 0%	26.5kB ± 0%	~	(all equal)
NewInterpreter/new_interpreter-2	720B ± 0%	720B ± 0%	~	(all equal)
NewInterpreter/new_sub-interpreter-2	1.18kB ± 0%	1.18kB ± 0%	~	(all equal)
InterpretRecursionFib-2	1.24MB ± 0%	1.24MB ± 0%	~	(p=0.462 n=7+7)
	allocs/op		delta
RuntimeFungibleTokenTransfer-2	4.54k ± 0%	4.54k ± 0%	~	(p=0.761 n=7+7)
RuntimeResourceDictionaryValues-2	102k ± 0%	102k ± 0%	~	(p=0.170 n=7+7)
QualifiedIdentifierCreation/One_level-2	0.00	0.00	~	(all equal)
QualifiedIdentifierCreation/Three_levels-2	2.00 ± 0%	2.00 ± 0%	~	(all equal)
CheckContractInterfaceFungibleTokenConformance-2	1.07k ± 0%	1.07k ± 0%	~	(all equal)
ContractInterfaceFungibleToken-2	457 ± 0%	457 ± 0%	~	(all equal)
NewInterpreter/new_interpreter-2	11.0 ± 0%	11.0 ± 0%	~	(all equal)
NewInterpreter/new_sub-interpreter-2	36.0 ± 0%	36.0 ± 0%	~	(all equal)
InterpretRecursionFib-2	25.0k ± 0%	25.0k ± 0%	~	(all equal)