Add tooltip warning to flavour text config (#9180)

Author: Blitz54

src/Modules/Main.lua

@@ -968,6 +968,7 @@ function main:OpenOptionsPopup()
 	controls.showFlavourText = new("CheckBoxControl", { "TOPLEFT", nil, "TOPLEFT" }, { defaultLabelPlacementX, currentY, 20 }, "^7Styled Tooltips with Flavour Text:", function(state)
 		self.showFlavourText = state
 	end)
+	controls.showFlavourText.tooltipText = "If updating while inside a build, please re-load the build after saving."
 
 	nextRow()
 	drawSectionHeader("build", "Build-related options")