Fix dynamics hint tooltip and add some missing dynamic-related translation strings

Translations/Translations.pot

@@ -1345,6 +1345,42 @@ msgstr ""
 msgid "Open Folder"
 msgstr ""
 
+#. Hint tooltip of a button in the Global Tool Settings. "Dynamics" let users affect certain brush parameters, such as their size and alpha, based on the pressure of the tablet pen, the velocity of the mouse or the pen, and more in the future.
+msgid "Dynamics"
+msgstr ""
+
+#. Found in the Dynamics options menu. Pressure refers to tablet pen pressure.
+msgid "Pressure"
+msgstr ""
+
+#. Found in the Dynamics options menu. Velocity refers to mouse or tablet pen velocity, meaning how fast it moves.
+msgid "Velocity"
+msgstr ""
+
+#. Refers to the alpha channel of the colors, in the RGBA color model. The alpha channel is responsible for the transparency of the color.
+msgid "Alpha"
+msgstr ""
+
+#. Refers to the size of a value, for example the size of a brush.
+msgid "Size"
+msgstr ""
+
+#. Found in the Dynamics options menu. Sets the limits of the brush property values, such as the minimum and maximum values of alpha and size.
+msgid "Value limits"
+msgstr ""
+
+#. Found in the Dynamics options menu. Sets the thresholds of the dynamic properties, such as the minimum and maximum values of pressure and velocity.
+msgid "Thresholds"
+msgstr ""
+
+#. Noun, the start of something.
+msgid "Start"
+msgstr ""
+
+#. Noun, the end of something.
+msgid "End"
+msgstr ""
+
 msgid "Brush:"
 msgstr ""
 

src/UI/GlobalToolOptions/GlobalToolOptions.tscn

@@ -118,8 +118,7 @@ margin_left = 108.0
 margin_right = 140.0
 margin_bottom = 32.0
 rect_min_size = Vector2( 32, 32 )
-hint_tooltip = "Pixel Perfect
-Makes lines smooth by removing the extra pixels on the edges"
+hint_tooltip = "Dynamics"
 mouse_default_cursor_shape = 2
 __meta__ = {
 "_editor_description_": ""