The ornamental design for a substanceapplicationtool having an integrated temperature indicator, as shown and described.
FIG. 1 is a front bottom right side perspective view for a substance application tool having an integrated temperature indicator, showing my new design;
FIG. 2 is a front elevational view of FIG. 1 thereof;
FIG. 3 is a rear elevational view of FIG. 1 thereof;
FIG. 4 is a left side elevational view of FIG. 1 thereof; and,
FIG. 5 is a right side elevational view of FIG. 1 thereof.