Fix to invoke InputField and TMP_InputField events

[nowsprinting]

Before

Set it directly to the text property.
Do not send InputField and TMP_InputField events.

After

InputField:

• Send onSubmit and onEndEdit events after setting the text

TMP_InputField:

• If an onValidateInput event listener exists, send the onValidateInput event
• Send the onTouchScreenKeyboardStatusChanged event if not a standalone (PC) platform
• Send onSubmit and onEndEdit events after setting the text

Also, the TouchScreenKeyboard is no longer opened when text entry begins.

[Copilot]

Pull Request Overview

This PR enhances input field operator handling to properly invoke events for both legacy InputField and TMP_InputField components. Previously, text was set directly without triggering associated events, which could cause issues with validation and event-driven UI updates.

Key Changes

• Invokes onSubmit and onEndEdit events after text input for InputField
• Adds onValidateInput event support with per-character validation for TMP_InputField
• Sends onTouchScreenKeyboardStatusChanged event for TMP_InputField on non-standalone platforms
• Removes direct OnSelect event to prevent unwanted TouchScreenKeyboard display

Reviewed Changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
Runtime/Operators/UguiTextInputOperator.cs	Enhanced text input operator to invoke input field events properly
Tests/Runtime/Operators/UguiTextInputOperatorTest.cs	Updated test names for clarity and added validation test
Annotations/InputFieldAnnotation.cs	Updated documentation to include TMP_InputField
Samples~/uGUI Demo/Scripts/Runtime/EventHandlers/SpyInputFieldEventReceiver.cs	New event receiver for testing input field events
Samples~/uGUI Demo/Scripts/Runtime/EventHandlers/AbstractSpyEventHandler.cs	Added support for InputField and keyboard events
Samples~/uGUI Demo/Scenes/uGUIDemo.unity	Added UI components for TMP_InputField testing
Samples~/uGUI Demo/Tests/Runtime/TextInputOperatorTest.cs	Split test into separate tests for Legacy and TMP inputs
Samples~/uGUI Demo/Scripts/Runtime/TestHelper.UI.Samples.UguiDemo.asmdef	Added Unity.TextMeshPro reference

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[github-actions]

Code Metrics Report

	master (dd60ab6)	#276 (6f086aa)	+/-
Coverage	89.2%	88.7%	-0.5%
Code to Test Ratio	1:1.3	1:1.3	-0.1
Test Execution Time	11m50s	10m38s	-1m12s

Details

  |                     | master (dd60ab6) | #276 (6f086aa) |  +/-   |
  |---------------------|------------------|----------------|--------|
- | Coverage            |            89.2% |          88.7% |  -0.5% |
  |   Files             |               69 |             70 |     +1 |
  |   Lines             |             2393 |           2512 |   +119 |
+ |   Covered           |             2135 |           2230 |    +95 |
- | Code to Test Ratio  |            1:1.3 |          1:1.3 |   -0.1 |
  |   Code              |             4371 |           4521 |   +150 |
+ |   Test              |             6077 |           6098 |    +21 |
+ | Test Execution Time |           11m50s |         10m38s | -1m12s |

Code coverage of files in pull request scope (87.7% → 84.2%)

Files	Coverage	+/-	Status
/github/workspace/UnityProject~/Assets/Samples/uGUI Demo/Scripts/Runtime/EventHandlers/AbstractSpyEventHandler.cs	70.8%	-1.4%	affected
/github/workspace/UnityProject~/Assets/Samples/uGUI Demo/Scripts/Runtime/EventHandlers/SpyInputFieldEventReceiver.cs	78.8%	+78.8%	affected
/github/workspace/UnityProject~/Assets/Samples/uGUI Demo/Scripts/Runtime/GameObjectFinderButton.cs	93.1%	-0.5%	affected
Annotations/InputFieldAnnotation.cs	100.0%	0.0%	modified
Runtime/Operators/UguiTextInputOperator.cs	100.0%	0.0%	modified

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Reported by octocov