fix: use color resource for adaptive icon foreground

Replace hardcoded black color with @color/splash_logo_color reference
to ensure proper theme support and consistency with the app's branding.

The splash_logo_color is #FF111214 (dark gray) for light theme and
#FFFFFFFF (white) for dark theme.

Author: graycreate

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -10,6 +10,6 @@
         android:translateY="21.6">
         <path
             android:pathData="M480.859,520.767C486.88,504.294 483.548,489.658 473.18,476.663C451.429,449.4 429.349,422.4 407.406,395.29C370.115,349.215 332.857,303.113 295.504,257.088C289.433,249.607 286.667,241.349 288.655,231.887C291.203,219.755 301.661,211.145 314.474,211.122C377.739,211 441.006,210.872 504.27,211.25C519.537,211.341 531.854,218.846 541.463,230.737C578.15,276.134 614.877,321.499 651.591,366.874C674.322,394.968 697.004,423.1 719.804,451.138C745.329,482.526 745.544,526.965 719.577,561.007C698.98,588.011 677.793,614.566 656.783,641.254C619.791,688.242 582.734,735.179 545.705,782.138C545.481,782.422 545.252,782.704 545.058,783.008C530.88,805.232 510.818,813.54 484.414,812.973C428.043,811.763 371.628,812.573 315.231,812.615C308.17,812.621 301.574,811.212 295.753,807.12C282.386,797.721 280.036,780.463 290.691,765.962C299.673,753.736 309.315,741.993 318.702,730.065C370.103,664.748 421.516,599.44 472.922,534.126C476.065,530.134 478.821,525.907 480.859,520.767Z"
-            android:fillColor="#000000" />
+            android:fillColor="@color/splash_logo_color" />
     </group>
 </vector>

app/src/main/res/drawable/ic_launcher_monochrome.xml

@@ -10,6 +10,6 @@
         android:translateY="21.6">
         <path
             android:pathData="M480.859,520.767C486.88,504.294 483.548,489.658 473.18,476.663C451.429,449.4 429.349,422.4 407.406,395.29C370.115,349.215 332.857,303.113 295.504,257.088C289.433,249.607 286.667,241.349 288.655,231.887C291.203,219.755 301.661,211.145 314.474,211.122C377.739,211 441.006,210.872 504.27,211.25C519.537,211.341 531.854,218.846 541.463,230.737C578.15,276.134 614.877,321.499 651.591,366.874C674.322,394.968 697.004,423.1 719.804,451.138C745.329,482.526 745.544,526.965 719.577,561.007C698.98,588.011 677.793,614.566 656.783,641.254C619.791,688.242 582.734,735.179 545.705,782.138C545.481,782.422 545.252,782.704 545.058,783.008C530.88,805.232 510.818,813.54 484.414,812.973C428.043,811.763 371.628,812.573 315.231,812.615C308.17,812.621 301.574,811.212 295.753,807.12C282.386,797.721 280.036,780.463 290.691,765.962C299.673,753.736 309.315,741.993 318.702,730.065C370.103,664.748 421.516,599.44 472.922,534.126C476.065,530.134 478.821,525.907 480.859,520.767Z"
-            android:fillColor="#000000" />
+            android:fillColor="@color/splash_logo_color" />
     </group>
 </vector>