Fixes issue querying for source-synced tags by value

[cmgrote]

Note

Removes the tagAttachmentKey term from the inner span query to fix value matching for source‑synced tags.

• Search query construction (sdk/src/main/java/com/atlan/model/search/CompoundQuery.java)
  • Adjust taggedWithValue(String, String, String, boolean) span query:
    • Remove "tagAttachmentKey" term from littleSpans in __classificationsText.text to refine value matching for source-synced tags.
  • No other logic changes to tag ID or source tag matching.

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