fix 5 critical pipeline and render performance bottlenecks#1012

Mitesh-Chaudhari wants to merge 2 commits intolichtblick-suite:developlichtblick-suite/lichtblick:developfrom

Mitesh-Chaudhari:bugfix/critical-fixes-for-performance-improvementsMitesh-Chaudhari/lichtblick:bugfix/critical-fixes-for-performance-improvementsCopy head branch name to clipboard