[Gui] [Tux] Correct text location in icons

src/Mod/Tux/Resources/icons/NavigationOpenSCAD_dark.svg

@@ -41,10 +41,10 @@
   <text
      xml:space="preserve"
      style="fill:#2e3436;stroke:#2e3436;stroke-width:1.249;stroke-dasharray:none"
-     x="23.548067"
+     x="20.548067"
      y="42.288612"
      id="text1"><tspan
-       x="23.548067"
+       x="20.548067"
        y="42.288612"
        id="tspan2">OS</tspan></text>
 </svg>

src/Mod/Tux/Resources/icons/NavigationOpenSCAD_light.svg

@@ -41,10 +41,10 @@
   <text
      xml:space="preserve"
      style="fill:#d1cbc9;stroke:#d1cbc9;stroke-width:1.249;stroke-dasharray:none"
-     x="23.548067"
+     x="20.548067"
      y="42.288612"
      id="text1"><tspan
-       x="23.548067"
+       x="20.548067"
        y="42.288612"
        id="tspan2">OS</tspan></text>
 </svg>

src/Mod/Tux/Resources/icons/NavigationTinkerCAD_dark.svg

@@ -40,11 +40,11 @@
   </g>
   <text
      xml:space="preserve"
-     style="fill:#2e3436;stroke:#2e3436;stroke-width:4.149"
-     x="28.425451"
-     y="43.400135"
+     style="fill:#2e3436;stroke:#2e3436;stroke-width:2.249"
+     x="27.425451"
+     y="45.400135"
      id="text1"><tspan
        id="tspan1"
-       x="28.425451"
-       y="43.400135">T</tspan></text>
+       x="27.425451"
+       y="45.400135">T</tspan></text>
 </svg>

src/Mod/Tux/Resources/icons/NavigationTinkerCAD_light.svg

@@ -40,11 +40,11 @@
   </g>
   <text
      xml:space="preserve"
-     style="fill:#d1cbc9;stroke:#d1cbc9;stroke-width:4.149"
-     x="28.425451"
-     y="43.400135"
+     style="fill:#d1cbc9;stroke:#d1cbc9;stroke-width:2.149"
+     x="27.425451"
+     y="45.400135"
      id="text1"><tspan
        id="tspan1"
-       x="28.425451"
-       y="43.400135">T</tspan></text>
+       x="27.425451"
+       y="45.400135">T</tspan></text>
 </svg>