fix: Don't show "Remove tab" menu if there are no tabs (#1179) #2931

Job	Run time
Custom lint	1m 4s
Android Assemble (orange, Fdroid, Debug)	3m 34s
ktlintCheck	1m 26s
Android Lint (orange, Fdroid, Debug)	6m 7s
Android Assemble (orange, Fdroid, Release)	5m 37s
Android Assemble (orange, Github, Debug)	3m 30s
Android Lint (orange, Fdroid, Release)	5m 17s
Android Assemble (orange, Github, Release)	5m 37s
Android Test (orange, Fdroid, Debug)	4m 7s
Test tools	1m 21s
Android Lint (orange, Github, Debug)	5m 49s
Android Assemble (orange, Google, Debug)	3m 37s
Android Test (orange, Fdroid, Release)	3m 40s
Android Lint (orange, Github, Release)	5m 25s
Android Assemble (orange, Google, Release)	5m 34s
Android Test (orange, Github, Debug)	4m 43s
Android Lint (orange, Google, Debug)	5m 35s
Android Test (orange, Github, Release)	3m 44s
Android Lint (orange, Google, Release)	5m 33s
Android Test (orange, Google, Debug)	3m 59s
Android Test (orange, Google, Release)	3m 59s
	1h 29m 18s

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