Add ranges to funscript heatmaps (#3373)

* Add range to funscript heatmaps
* Add config to draw heatmap range
* Add setting to UI
* Apply draw range setting

Includes some refactoring

---------

Co-authored-by: kermieisinthehouse <kermie@isinthe.house>
Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

internal/api/resolver_mutation_configure.go

@@ -316,6 +316,10 @@ func (r *mutationResolver) ConfigureGeneral(ctx context.Context, input ConfigGen
 		c.Set(config.LiveTranscodeOutputArgs, input.LiveTranscodeOutputArgs)
 	}
 
+	if input.DrawFunscriptHeatmapRange != nil {
+		c.Set(config.DrawFunscriptHeatmapRange, input.DrawFunscriptHeatmapRange)
+	}
+
 	if err := c.Write(); err != nil {
 		return makeConfigGeneralResult(), err
 	}