Replace the last remaining usage of the `CUi::MouseButtonReleased` function with `!MouseButton(...)`. The `pMouseSelection->m_Selecting` flag is only set to `true` when the mouse button is already pressed down, so the additional check of `MouseButtonReleased` is unnecessary in this case. In general, this function is an anti-pattern in our UI, as only checking for the mouse button to be released does not guarantee that the mouse was also pressed down over the respective UI element. The `DoButtonLogic` function or similar code should be used instead of only handling the press or release of a mouse button.
Make value selector behavior consistent with the generic button logic. Consistently check for completed mouse clicks on the value selector UI element instead of handling some mouse down and mouse up events separately. Fix text mode being activated when moving the mouse over value selectors with held down mouse button. Fix text mode being deactivated immediately when the mouse leaves text area while holding down the mouse button, which is inconvenient when selecting text. Remove unnecessary usage of `CUi::MouseButtonReleased` function.
Support double-clicking value selectors to enter text edit mode in addition to right-clicking. This feels more intuitive to use and also makes it usable without a second mouse button.
Select all text when entering text mode also in the editor, which was previously only a feature in the menus.
Fix value selector edit state being `EDITING` by default instead of `NONE` in the editor and fix maps being marked as modified immediately when a value selector text input is activated. The map will now be marked as modified only when the editing operation is completed, which should be synchonized with the undo history action being added.
Use the `CUi::ConsumeHotkey` function instead of checking the enter keys manually.
Remove unnecessary and unused `CUi::m_ValueSelectorTextMode` variable and its accessors as well as the equivalent `s_TextMode` variable in the editor. This separate flag is unnecessary as we can use the existing `s_pLastTextId` variable instead.
The `.demo` extension is supposed to be removed from the target filename when slicing demos, but anything after the last dot was being removed instead, e.g. `test.abc.def` was incorrectly replaced with `test.abc`.
Remove separate handling of UI mouse position and delta in the editor and use the UI directly for this like in the gameclient. Raw cursor movements are redirected to the UI with the `CUi::OnCursorMove` function. The editor separately updates its world positions and delta after the mouse position was changed. The mouse world position for the editor is passed to the UI with the `CUi::Update` funtion as before, whereas the world position is unused in the gameclient.
Use `vec2`s for mouse positions and deltas instead of two separate floats.
