Tables: Internals: Added FindTableByID(), removing trailing spaces.

# Conflicts:
#	imgui_internal.h

imgui_internal.h

@@ -2246,6 +2246,7 @@ namespace ImGui
     IMGUI_API float         GetColumnNormFromOffset(const ImGuiOldColumns* columns, float offset);
 
     // Tables
+    IMGUI_API ImGuiTable*   FindTableByID(ImGuiID id);
     IMGUI_API bool          BeginTableEx(const char* name, ImGuiID id, int columns_count, ImGuiTableFlags flags = 0, const ImVec2& outer_size = ImVec2(0, 0), float inner_width = 0.0f);
     IMGUI_API void          TableBeginUpdateColumns(ImGuiTable* table);
     IMGUI_API void          TableUpdateDrawChannels(ImGuiTable* table);

imgui_tables.cpp

@@ -127,6 +127,12 @@ inline ImGuiTableFlags TableFixFlags(ImGuiTableFlags flags)
     return flags;
 }
 
+ImGuiTable* ImGui::FindTableByID(ImGuiID id)
+{
+    ImGuiContext& g = *GImGui;
+    return g.Tables.GetByKey(id);
+}
+
 // About 'outer_size':
 //   The meaning of outer_size needs to differ slightly depending of if we are using ScrollX/ScrollY flags.
 //   With ScrollX/ScrollY: using a child window for scrolling: