PlanResourceChange: Empty resource labels keeps old label value

[VenelinMartinov]

Describe what happened

Under PlanResourceChange, when changing a resource label from any value to empty it keeps the old value.

This matches the TF behaviour. #2078 for details

Sample program

let bucket = new gcp.storage.Bucket("test", {
    location: "US",
    labels = {"key": "val"},
});

changes to

let bucket = new gcp.storage.Bucket("test", {
    location: "US",
    labels = {"key": ""},
});

But the cloud value remains "val"

Log output

.

Affected Resource(s)

No response

Output of pulumi about

.

Additional context

No response

Contributing

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[VenelinMartinov]

Closing as working as intended.