Prep work for schema update - Iteration 1

[rajithaalurims]

Description

This PR has code to support reading from Int32/Int64 for Version column on Resource table. This is to support backward compatibility for future schema update release. Since we cannot read same column twice with sequential access, this PR has change to remove sequential access on Readers. Issue AB#118978

Related issues

Addresses [issue 118978].

Testing

Tested POST/PUT/Import/Export with Resource table Version int and bigint.

FHIR Team Checklist

• Update the title of the PR to be succinct and less than 65 characters
• Add a milestone to the PR for the sprint that it is merged (i.e. add S47)
• Tag the PR with the type of update: Bug, Build, Dependencies, Enhancement, New-Feature or Documentation
• Tag the PR with Open source, Azure API for FHIR (CosmosDB or common code) or Azure Healthcare APIs (SQL or common code) to specify where this change is intended to be released.
• Tag the PR with Schema Version backward compatible or Schema Version backward incompatible or Schema Version unchanged if this adds or updates Sql script which is/is not backward compatible with the code.
• [ ] CI is green before merge
• Review squash-merge requirements

Semver Change (docs)

Patch|Skip|Feature|Breaking (reason)

[SergeyGaluzo]

                var version = reader.Read(table.Version, 3);

Here is on more place to put cast switch

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Refers to: src/Microsoft.Health.Fhir.SqlServer/Features/Storage/SqlStoreClient.cs:113 in 5f84614. [](commit_id = 5f846146b7a92f1550caa0eb7843591d477c5753, deletion_comment = False)