fix(ui): prevent math precision inconsistencies

Author: elianiva

src/activate/registerCommands.ts

@@ -236,7 +236,7 @@ const getCommandsMap = ({ context, outputChannel, provider }: RegisterCommandOpt
 	increaseFontSize: async () => {
 		const config = vscode.workspace.getConfiguration(Package.name)
 		const currentMultiplier = config.get<number>("fontSizeMultiplier") || 1.0
-		const newMultiplier = Math.min(currentMultiplier + 0.1, 3.0)
+		const newMultiplier = Math.min(Math.round((currentMultiplier + 0.1) * 10) / 10, 3.0)
 
 		await config.update("fontSizeMultiplier", newMultiplier, vscode.ConfigurationTarget.Global)
 
@@ -252,7 +252,7 @@ const getCommandsMap = ({ context, outputChannel, provider }: RegisterCommandOpt
 	decreaseFontSize: async () => {
 		const config = vscode.workspace.getConfiguration(Package.name)
 		const currentMultiplier = config.get<number>("fontSizeMultiplier") || 1.0
-		const newMultiplier = Math.max(currentMultiplier - 0.1, 0.5)
+		const newMultiplier = Math.min(Math.round((currentMultiplier - 0.1) * 10) / 10, 3.0)
 
 		await config.update("fontSizeMultiplier", newMultiplier, vscode.ConfigurationTarget.Global)