Fix life cycle of ResourceImporterTexture not tracked properly #7165

Job	Run time
📊 Static checks / Code style, file formatting, and docs	1m 15s
🍏 iOS / Template (target=template_release)	2m 24s
🐧 Linux / Editor w/ Mono (target=editor)	5m 5s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	29m 57s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	7m 11s
🐧 Linux / Template w/ Mono (target=template_release)	56s
🐧 Linux / Minimal template (target=template_release, everything disabled)	43s
🍎 macOS / Editor (target=editor, tests=yes)	4m 44s
🍎 macOS / Template (target=template_release)	5m 36s
🤖 Android / Template (target=template_release)	4m 10s
🌐 Web / Template (target=template_release)	1m 33s
🏁 Windows / Editor (target=editor, tests=yes)	10m 1s
🏁 Windows / Template (target=template_release)	9m 7s
	1h 22m 42s

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