GitHub: Added default titles to all issue templates (#16316)

Author: 0x5bfa

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,6 +1,7 @@
 name: Bug Report
 description: Create a bug report to help improve Files.
 type: 'Bug'
+title: 'Bug: '
 body:
 
   # Description

.github/ISSUE_TEMPLATE/code_quality_issue.yml

@@ -1,6 +1,7 @@
 name: Code Quality Issue
 description: Create a code quality issue to help Files keep a clean codebase
 type: 'Code quality'
+title: 'Code Quality: '
 body:
   - type: textarea
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,6 +1,7 @@
 name: Feature Request
 description: This project thrives from differentiation from competing apps. Suggest an idea for Files.
 type: 'Feature request'
+title: 'Feature: '
 body:
 
   # Description