fix(doc): update issue template (tronprotocol#6594)

Author: Sunny6889

.github/ISSUE_TEMPLATE/ask-a-question.md

@@ -46,6 +46,6 @@ These channels provide faster responses for general inquiries.
 - Operating System: <!-- e.g., Ubuntu 20.04 -->
 - Java version: <!-- e.g., java version "1.8.0_391" -->
 
-## Additional Information
+## Additional Information (Optional)
 
 <!-- Any other details that might be helpful -->

.github/ISSUE_TEMPLATE/report-a-bug.md

@@ -72,7 +72,7 @@ Include relevant logs from FullNode.jar or other components
 [Paste error messages, stack traces, or relevant logs here]
 ```
 
-## Additional Context
+## Additional Context (Optional)
 
 <!-- Add any other context about the problem -->
 

.github/ISSUE_TEMPLATE/request-a-feature.md

@@ -12,28 +12,9 @@ Thank you for contributing to java-tron!
 Please provide as much detail as possible to help us evaluate your feature request.
 -->
 
-## Background
-
-<!-- Describe the context and motivation for this feature request -->
-
 ## Problem Statement
 
-<!-- What problem does this feature solve? What pain points does it address? -->
-
-## Rationale
-
-**Why should this feature exist?**
-<!-- Explain the benefits and value this feature would provide -->
-
-**What are the use cases?**
-<!-- Describe specific scenarios where this feature would be useful -->
-
-1. 
-2. 
-3. 
-
-**Who would benefit from this feature?**
-<!-- e.g., node operators, developers, end users, validators -->
+<!-- Describe the problem this feature solves, the context/motivation, and who would benefit -->
 
 ## Proposed Solution
 
@@ -52,30 +33,17 @@ Please provide as much detail as possible to help us evaluate your feature reque
 **Protocol Changes** (if applicable)
 <!-- Describe any changes to the TRON protocol -->
 
-## Testing Strategy
-
-<!-- How should this feature be tested? -->
-
-**Test Scenarios**
-
-1. 
-2. 
-3. 
-
-**Performance Considerations**
-<!-- Describe any performance implications -->
-
 ## Scope of Impact
 
-<!-- What parts of the system will be affected? -->
-
-- [ ] Core protocol
-- [ ] API/RPC
-- [ ] Database
-- [ ] Network layer
-- [ ] Smart contracts
-- [ ] Documentation
-- [ ] Other: <!-- specify -->
+<!-- Select the system components that will be affected by this feature:  
+- Core protocol
+- API/RPC
+- Database
+- Network layer
+- Smart contracts
+- Documentation
+- Others, please specify
+-->
 
 **Breaking Changes**
 <!-- Will this feature introduce any breaking changes? -->
@@ -90,23 +58,29 @@ Please provide as much detail as possible to help us evaluate your feature reque
 
 **Are you willing to implement this feature?**
 <!-- Let us know if you'd like to contribute the implementation -->
-- [ ] Yes, I can implement this feature
-- [ ] I can help with implementation
-- [ ] I need help with implementation
-- [ ] I'm just suggesting the idea
 
 **Estimated Complexity**
-<!-- Your assessment of implementation complexity -->
-- [ ] Low (minor changes)
-- [ ] Medium (moderate changes)
-- [ ] High (significant changes)
-- [ ] Unknown
+<!-- Your assessment of implementation complexity, choose among
+- Low (minor changes)
+- Medium (moderate changes)
+- High (significant changes)
+- Unknown
+-->
+
+## Testing Strategy
+
+<!-- How should this feature be tested? -->
+
+**Test Scenarios**
+
+**Performance Considerations**
+<!-- Describe any performance implications -->
 
-## Alternatives Considered
+## Alternatives Considered (Optional)
 
 <!-- Describe any alternative solutions or features you've considered -->
 
-## Additional Context
+## Additional Context (Optional)
 
 <!-- Add any other context, mockups, diagrams, or examples -->