[wip] two execution contexts with minimal changes

[jamiedemaria]

Summary & Motivation

With the deprecation of methods on AssetExecutionContext, several places in the main execution path will start throwing warnings. This PR prevents those warnings from being thrown by pulling the op execution context out of the asset execution context. We may want to implement a different solution eventually, but this will suffice for now and will act as a marker of all the places where the context is used in the main execution path.

How I Tested These Changes

[jamiedemaria]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
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Current dependencies on/for this PR:

• master
  • PR Only have one kind of context for direct invocation #17554
    • PR duplicate op context methods on asset context  #18573
      • PR deprecate methods on AssetExecutionContext that can be found via the DagsterRun object #17339
        • PR Direct invocation asset execution context #18549
          • PR deprecate asset_partition_*_for_output on AssetExecutionContext #19436
            • PR [docs] remove asset_partition_*_for_output from docs #19437
              • PR deprecate op related methods from AssetExecutionContext #19441
          • PR Make upstream asset materialization events available on the context #18971
            • PR [wip] store the tags fetched by data versioning so we can use them for upath io manager #19324
              • PR [UPath I/O managers] special case handling of None outputs #18820
            • PR Make input partitions methods based on asset key not input name #19027
              • PR Support partitioned assets for fetching latest AssetMaterializations #19286
              • PR [do not merge] base example to showcase new apis #19199
                • PR [prototype] sub-context for each upstream dependency  #19283
                • PR [prototype] AssetExecutionContext partition methods on sub context #19236
                • PR [prototype] AssetExecutionContext partition methods given as named tuple #19037
                • PR [prototype] AssetExecutionContext partition methods directly on the context #19032
            • PR [wip] two execution contexts with minimal changes #18543 👈
              • PR [wip] see wht needs to change when asset context is no longer an op context #18553
        • PR support Asset and Op ExecutionContexts in standard execution path #17972
          • PR [wip] add AssetExecutionContext to direct invocation #18044

This stack of pull requests is managed by Graphite.

[jamiedemaria]

revert this file - just notes for me