Improve bug report template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -18,18 +18,9 @@ Steps to reproduce the behavior:
 A clear and concise description of what you expected to happen.
 
 **Screenshots**
-If applicable, add screenshots to help explain your problem.
+If applicable, add screenshots to help explain your problem. Input images and/or output reconstructions are usually helpful.
 
-**Desktop (please complete the following information):**
- - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
-
-**Smartphone (please complete the following information):**
- - Device: [e.g. iPhone6]
- - OS: [e.g. iOS8.1]
- - Browser [e.g. stock browser, safari]
- - Version [e.g. 22]
-
-**Additional context**
-Add any other context about the problem here.
+**Environment:**
+ - OS: [e.g. Windows 11]
+ - COLMAP Version [e.g. 3.8 or git commit hash]
+ - Capture Device [e.g. iPhone X]