Update EditableGrid and EditableGridTest to handle long field names

[labkey-tchad]

Rationale

The editable grid's activateCellUsingDoubleClick and shiftSelectRange methods don't scroll correctly which can cause errors when using particularly long field names.

org.openqa.selenium.interactions.MoveTargetOutOfBoundsException: Move target (1289, 610) is out of bounds of viewport dimensions (1280, 891)
  [...]
  at app//org.labkey.test.WebDriverWrapper.doubleClick(WebDriverWrapper.java:2929)
  at app//org.labkey.test.components.ui.grids.EditableGrid.activateCellUsingDoubleClick(EditableGrid.java:660)
  at app//org.labkey.test.tests.component.EditableGridTest.testPasteIntoMultiLine(EditableGridTest.java:593)

java.lang.AssertionError: not all rows are selected
  [...]
  at org.labkey.test.util.DeferredErrorCollector.verifyTrue(DeferredErrorCollector.java:290) [uiTest/:?]
  at org.labkey.test.tests.component.EditableGridTest.testShiftClick(EditableGridTest.java:414) [uiTest/:?]

Related Pull Requests

• N/A

Changes

• Update EditableGrid and EditableGridTest to handle long field names
• Clean up checkbox handing in EditableGrid