fix: DH-17537: Fix Advanced Filter dialog not showing the values list on tree tables

[vbabich]

Move isValuesTableAvailable getter from IrisGridTableModel to IrisGridTableModelTemplate to make it availalbe in tree table model.
Fixes DH-17537 in enterprise.

Note, this doesn't fix the issue with Advanced Filter on tree tables in Community. JSAPI throws an exception on a treeTable.copy call.

[AdvancedFilterCreator] Unable to open values table Error: java.lang.UnsupportedOperationException: reexport
    at UnsupportedOperationException_0.createError (dh-core.js:1383:10)
    at UnsupportedOperationException_0.initializeBackingError (dh-core.js:1409:46)
    at UnsupportedOperationException_0.Throwable_0 (dh-core.js:1348:8)
    at UnsupportedOperationException_0.Exception_1 (dh-core.js:1433:18)
    at UnsupportedOperationException_0.RuntimeException_1 (dh-core.js:1446:18)
    at new UnsupportedOperationException_0 (dh-core.js:35418:25)
    at Object.lambda$56 (dh-core.js:24457:14)
    at JsTreeTable$lambda$56$Type.fetch_25 [as fetch_1] (dh-core.js:25453:10)
    at Object.$lambda$32_0 (dh-core.js:31972:23)
    at ClientTableState$lambda$32$Type.accept_90 [as accept] (dh-core.js:32707:9)
    at Function.onInvoke_2 (dh-core.js:5068:12)
    at lambda (dh-core.js:174:22)
    at new Promise (<anonymous>)
    at Object.$refetch_2 (dh-core.js:32098:13)
    at JsTreeTable.copy_1 [as copy] (dh-core.js:24514:16)
    at Proxy.valuesTable (IrisGridTableModelTemplate.ts:1519:32)
    at AdvancedFilterCreator.initValuesTable (AdvancedFilterCreator.tsx:212:13)

Filed an issue in Core: deephaven/deephaven-core#6097

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.64%. Comparing base (ec9b41e) to head (aabcde8).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2232      +/-   ##
==========================================
+ Coverage   46.61%   46.64%   +0.03%     
==========================================
  Files         692      692              
  Lines       38508    38508              
  Branches     9826     9802      -24     
==========================================
+ Hits        17949    17963      +14     
- Misses      20506    20534      +28     
+ Partials       53       11      -42     

Flag	Coverage Δ
unit	46.64% <100.00%> (+0.03%)	⬆️

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