chore(github-issue_flow): address some remarks

.github/ISSUE_TEMPLATE/bug-report.md

@@ -2,7 +2,7 @@
 name: Bug Report
 about: Create a report to help us improve
 title: ''
-labels: "Support, needs-triage"
+labels: needs-triage
 
 ---
 
@@ -10,13 +10,16 @@ labels: "Support, needs-triage"
 <!-- 请使用英文描述问题 -->
 <!-- Note, lacking of information will delay the handling of issue
      See our github issue handling flow here:
-     https://github.com/emqx/emqx/blob/master/.github/ISSUE_TEMPLATE/asserts/issue-handling.png
+     https://github.com/emqx/emqx/blob/master/.github/ISSUE_TEMPLATE/assets/issue-handling.png
 -->
 
 ### Subject of the issue
 Describe your issue here.
 
 ### Your environment
+
+For EMQ X 4.3 or newer, please provide the log archive generated by [node_dump tool](https://github.com/emqx/emqx/blob/master/bin/node_dump) 
+
 - EMQ X version (e.g. `emqx_ctl status`): 
 - Hardware configuration (e.g. `lscpu`):
 - OS (e.g. `cat /etc/os-release`):
@@ -27,8 +30,6 @@ Describe your issue here.
 ### Steps to reproduce
 Tell us how to reproduce this issue. 
 
-It would be great if you can attach the log archive generated by [node_dump tool](https://github.com/emqx/emqx/blob/master/bin/node_dump) 
-
 ### Expected behaviour
 Tell us what should happen
 

.github/ISSUE_TEMPLATE/feature-request.md

@@ -9,7 +9,7 @@ labels: "Feature, needs-triage"
 <!-- Please only use this template for submitting enhancement requests -->
 <!-- Note, lacking of information will delay the handling of issue
      See our github issue handling flow here:
-     https://github.com/emqx/emqx/blob/master/.github/ISSUE_TEMPLATE/asserts/issue-handling.png
+     https://github.com/emqx/emqx/blob/master/.github/ISSUE_TEMPLATE/assets/issue-handling.png
 -->
 
 

.github/ISSUE_TEMPLATE/support-needed.md

@@ -8,7 +8,7 @@ labels: "Support, needs-triage"
 
 <!-- Note, lacking of information will delay the handling of issue
      See our github issue handling flow here:
-     https://github.com/emqx/emqx/blob/master/.github/ISSUE_TEMPLATE/asserts/issue-handling.png
+     https://github.com/emqx/emqx/blob/master/.github/ISSUE_TEMPLATE/assets/issue-handling.png
 -->
 
 ### Subject of the support
@@ -17,6 +17,10 @@ Describe your issue here.
 Error/Warning printout if any. 
 
 ### Your environment
+
+For EMQ X 4.3 or newer, please provide the log archive generated by [node_dump tool](https://github.com/emqx/emqx/blob/master/bin/node_dump) 
+
+Otherwise please provide below info:
 - EMQ X version (e.g. `emqx_ctl status`):
 - If cluster (e.g. 3 X 4Core16GB):
 - Hardware configuration (e.g. `lscpu`):
@@ -26,6 +30,5 @@ Error/Warning printout if any.
 - Others:
 
 ### LOG File
-It would be great if you can attach the log archive generated by [node_dump tool](https://github.com/emqx/emqx/blob/master/bin/node_dump)
 
 Missing log file can delay the handling of the issue.