Improved morale ui when all troops are undead #12848

Job	Run time
Code style check / Code style check	6s
IWYU / IWYU	4m 2s
CodeChecker / CodeChecker	31m 9s
MSVC / MSVC (SDL2 x86)	4m 2s
SonarCloud Analyzer / SonarCloud Analyzer	0s
MSVC / MSVC (SDL2 x64)	4m 2s
Android / Android	9m 39s
Make / Make (Nintendo Switch)	3m 16s
Make / Make (Linux x86-64 SDL2 Release)	2m 55s
CMake / CMake (Linux SDL2)	2m 26s
Make / Make (Linux x86-64 SDL2 Debug)	4m 1s
CMake / CMake (macOS SDL2)	1m 34s
Make / Make (Linux ARM64 SDL2 Release)	4m 12s
CMake / CMake (Windows SDL2)	4m 17s
Make / Make (PS Vita)	8m 48s
Make / Make (Linux ARM64 SDL2 Debug)	4m 40s
CMake / CMake (macOS SDL2 App Bundle)	1m 41s
Make / Make (macOS SDL2)	2m 24s
Make / Make (macOS SDL2 App Bundle)	1m 39s
	1h 34m 53s

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