fix: fix category when unsetting customEmoji

[nolanlawson]

Fixes #276

[github-actions]

📊 Tachometer Benchmark Results

Summary

benchmark-total

• emoji-picker-element-database-interactions: unsure 🔍 -2% - +5% (-2.35ms - +6.62ms)
  ^{this-change vs tip-of-tree}
• emoji-picker-element-first-load: unsure 🔍 -5% - +8% (-3.57ms - +5.85ms)
  ^{this-change vs tip-of-tree}
• emoji-picker-element-second-load: unsure 🔍 -2% - +9% (-1.24ms - +6.18ms)
  ^{this-change vs tip-of-tree}

Results

emoji-picker-element-database-interactions

• Browser: chrome-headless 100.0.4896.75
• Sample size: 50
• Built by: Benchmarks #160

• Commit: 27da2cd

Version	Avg time	vs this-change	vs tip-of-tree tip-of-tree
this-change	136.60ms - 143.34ms	-	unsure 🔍 -2% - +5% -2.35ms - +6.62ms
tip-of-tree tip-of-tree	134.88ms - 140.79ms	unsure 🔍 -5% - +2% -6.62ms - +2.35ms	-

emoji-picker-element-first-load

• Browser: chrome-headless 100.0.4896.75
• Sample size: 50
• Built by: Benchmarks #160

• Commit: 27da2cd

Version	Avg time	vs this-change	vs tip-of-tree tip-of-tree
this-change	68.47ms - 75.47ms	-	unsure 🔍 -5% - +8% -3.57ms - +5.85ms
tip-of-tree tip-of-tree	67.68ms - 73.99ms	unsure 🔍 -8% - +5% -5.85ms - +3.57ms	-

emoji-picker-element-second-load

• Browser: chrome-headless 100.0.4896.75
• Sample size: 60
• Built by: Benchmarks #160

• Commit: 27da2cd

Version	Avg time	vs this-change	vs tip-of-tree tip-of-tree
this-change	68.86ms - 73.57ms	-	unsure 🔍 -2% - +9% -1.24ms - +6.18ms
tip-of-tree tip-of-tree	65.88ms - 71.62ms	unsure 🔍 -9% - +2% -6.18ms - +1.24ms	-

_{tachometer-reporter-action v2 for Benchmarks}

[github-actions]

Size Change: +17 B (0%)

Total Size: 41.8 kB

Filename	Size	Change
./bundle.js	41.8 kB	+17 B (0%)

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